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10th English - Half Yearly Exam 2024 - Original Question Paper | Pudukkottai District

HALF YEARLY EXAMINATION - 2024

Class: X - ENGLISH Marks: 100 Time: 3.00 Hours
PART - I

Note: i) Answer all the questions. (14x1=14)
ii) Choose the best answer and write option code with corresponding answer.

1. The seagull even gnawed at the dried pieces of eggshell
a) bite
b) gulp
c) build
d) starve
Answer: a) bite
2. The voyage had stopovers at four ports for replenishment of ration
a) journey
b) selling
c) recall
d) restoration
Answer: d) restoration
3. The gaunt face of Holmes horrified Mrs. Hudson
a) fat
b) lean
c) happy
d) big
Answer: b) lean

Choose the appropriate antonyms for the underlined words.

4. Your parents were not anxious enough to have you learn
a) careful
b) fearful
c) calm
d) nervous
Answer: c) calm
5. The spoilt child of affluent parents
a) wealthy
b) poor
c) rich
d) nice
Answer: b) poor
6. At regular intervals the board creaked
a) irregular
b) usual
c) automatic
d) similar
Answer: a) irregular
7. Choose the correct plural form of 'formula' from the following.
a) formulea
b) formules
c) formulae
d) formuly
Answer: c) formulae
8. Form a derivative by adding the right prefix to the word 'urban'.
a) sub-
b) in-
c) mal-
d) il-
Answer: a) sub- (suburban)
9. Choose the correct expansion of the abbreviation 'RAM'.
a) Randomly Accessed Memory
b) Read Access Memory
c) Random Access Memory
d) Random Access Memories
Answer: c) Random Access Memory
10. Complete the following sentence with most appropriate phrasal verb given below.
__________ at a gym or swim twice a week.
a) work on
b) work out
c) work up
d) work in
Answer: b) work out
11. Choose the suitable option to pair it with the word 'rain' to form a compound word.
a) ticket
b) book
c) ball
d) coat
Answer: d) coat (raincoat)
12. Fill in the blanks with the appropriate prepositional phrase given below.
Global warming is __________ the green house emission.
a) except for
b) an effect of
c) on account of
d) in spite of
Answer: b) an effect of (Note: "on account of" is also grammatically possible, but "an effect of" fits the cause-effect definition well).
13. Complete the following sentence using the most appropriate tense form of the verb given below.
She __________ when the guests arrived.
a) was cooking
b) will cooks
c) had cook
d) cook
Answer: a) was cooking
14. Choose the most appropriate linker from the given four alternatives.
My mother called me __________ I was playing football.
a) Though
b) or
c) while
d) unless
Answer: c) while
PART - II (Section-I)

Answer any THREE of the following questions in a sentence or two. (3x2=6)

15. Why did the seagull fail to fly?
Solution: The seagull failed to fly because he was afraid that his wings would not support him. The vast expanse of the sea beneath him terrified him, and he lacked the confidence to take the plunge.
16. How did Watson feel when he heard of Holmes illness?
Solution: Watson felt horrified and deeply concerned when Mrs. Hudson told him about Holmes' illness. He immediately wanted to rush to Holmes' side to help him.
17. Which devices are controlled by using ACTIV controller?
Solution: The ACTIV controller is used to control various household devices such as the air conditioner, lights, and entertainment systems like music players or televisions.
18. Who were the narrator's neighbours?
Solution: The narrator's neighbours were the Bodwells (from "The Night the Ghost Got In").
Section - II (Poetry)

Read the following sets of poetic lines and answer any THREE of the following. (3x2=6)

19. They growl at that and they growl at this
Whatever comes, there is something amiss:

a) What does the word 'growl' mean here?
b) Why do they find everything amiss?
Solution: a) The word 'growl' means to complain or grumble angrily.
b) They find everything amiss because they are naturally discontented and are never satisfied with anything.
20. Not a crumb to be found
On the snow-covered ground;

a) What couldn't he find on the ground?
b) Why was the ground covered with snow?
Solution: a) He (the cricket) could not find a single crumb of food on the ground.
b) The ground was covered with snow because it was winter.
21. So, let the way wind up the hill or down,
O'er rough or smooth, the journey will be joy

a) How is the way of life?
b) How should be the journey of life?
Solution: a) The way of life can be rough or smooth, and it may go up or down the hill (full of ups and downs).
b) The journey of life should be joyful, regardless of the difficulties.
22. "She's today's woman. Today's woman dear
Love her, respect her, keep her near.....

a) Describe today's woman according to the poet.
b) How should a woman be treated?
Solution: a) Today's woman is portrayed as strong, confident, self-respecting, and capable of handling challenges.
b) A woman should be treated with love, respect, and care.
Section - III

Answer any THREE of the following. (3x2=6)

23. Rewrite the following sentence into passive voice.
Complete the project on time.
Solution: Let the project be completed on time.
(Alternative: You are requested/ordered to complete the project on time.)
24. Change into indirect speech.
Emily asked, "When is the deadline?"
Solution: Emily asked when the deadline was.
25. Punctuate the following sentence.
what else can be done said her father
Solution: "What else can be done?" said her father.
26. Transform the following sentence into a compound sentence.
In spite of his sickness, he attends the rehearsal.
Solution: He was sick, yet he attended the rehearsal.
(or: He was sick, but he attended the rehearsal.)
27. Rearrange the words in the correct order to make meaningful sentences.
a) speaks / Ruben / besides / German / languages / two
b) is / Zigzag / papa / When / coming
Solution: a) Ruben speaks two languages besides German.
b) When is Zigzag coming papa?
Section - IV

Answer the following question. (1x2=2)

28. A stranger wants to go to the Hotel. Guide him to reach his destination.
HOTEL PARK SCHOOL
(Road)
GH STORE
[You are here]
Solution: Go straight along this road. Turn left at the junction near the Store. Walk straight past the GH on your left. The Hotel is on your right, opposite the GH.
PART - III (Section - I)

Answer any TWO of the following in utmost 10 lines. (2x5=10)

29. Highlight the factors responsible for the all-women Indian Navy Crew to carry out their expedition.
Key Points for Solution: The crew underwent extensive theoretical training in navigation, communication, and weather prediction. They also had hands-on training on how to repair things in emergencies. They trained in tactical aspects and survival skills. Their teamwork, mentorship under Commander Dilip Donde, and rigorous practice in the INSV Mhadei prepared them for the circumnavigation on INSV Tarini.
30. Describe the struggles underwent by the young seagull to overcome its fear of flying.
Key Points for Solution: The young seagull was paralyzed by fear of the vast sea. While his siblings flew, he stayed on the ledge, starving for twenty-four hours. He watched his parents teach his siblings. His mother tempted him with a piece of fish but halted just out of reach. Maddened by hunger, he dived at the fish, falling into space. His terror lasted a moment before his wings spread instinctively, and he began to fly, overcoming his fear.
31. Give an account of the last day of M. Hamel in school.
Key Points for Solution: It was a sad and solemn day. M. Hamel wore his fine Sunday clothes. The village elders sat on the back benches. He spoke about the beauty and importance of the French language, calling it the clearest and most logical. He taught grammar and writing with great patience. At the end, overcome with emotion, he could not speak but wrote "Vive La France!" on the blackboard and dismissed the class with a gesture.
32. How do we use technology in our day to day lives?
Key Points for Solution: Technology is integral to daily life. We use it for communication (smartphones, email), travel (GPS, booking apps), entertainment (streaming), and household chores (smart appliances). In the context of the lesson 'Tech Bloomers', it highlights how technology helps disabled people (like Alisha and David) communicate, learn, and live independently using tools like Dragon Dictate and eye-tracking controllers.
Section - II

Answer any TWO of the following in utmost 10 lines. (2x5=10)

33. How are today's women portrayed by the poet?
Key Points for Solution: The poet (Rakhi Nariani Shirke) portrays today's woman as a symbol of power and strength. She is innate beauty and willing to stake her life for her loved ones. She is persistent, has no fear, and handles adversity with faith. She is a "lioness" who shouldn't be pranked with. She demands respect and knows how to thaw/saw anyone who is mischievous.
34. Describe the journey of life as depicted in the poem by Henry Van Dyke.
Key Points for Solution: The poet wants to live life with a forward face and unreluctant soul. He does not want to hurry or mourn for the past (things that disappear in the dim past). He wants to live with the innocence of a child (youth and age) and travel with joy. He believes the journey will be the best, whether the path is rough or smooth, up or down.
35. Read the following stanza and answer the questions given below.
But remember, please, the law by which we live,
We are not built to comprehend a lie,
We can neither love nor pity nor forgive,
If you make a slip in handling as you die!

a) Pick out the rhyming words in the above lines.
b) Write the rhyming scheme in the given stanza.
c) What is the figure of speech employed in the third line?
d) Pick out the alliterating words from the first line.
Solution: a) Rhyming words: live - forgive; lie - die.
b) Rhyme Scheme: abab
c) Figure of Speech: Personification (Machines are given human qualities like 'love', 'pity', 'forgive').
d) Alliterating words: law - live.
36. Paraphrase the following stanza.
It sat alone
What happened there is still today unknown
It is a very mysterious place,
And inside you can tell it has a ton of space.
Solution: The house sat all by itself, isolated from others. To this day, nobody knows exactly what events took place there. It remains a place full of mystery. Although it looks ordinary from the outside, one can sense that inside it is vast and spacious.
Section - III

Answer any ONE of the following. (1x5=5)

37. Rearrange the following sentences in the coherent order.
i) He stayed there the whole night.
ii) The next morning, a man going to work found Peter in the dikes.
iii) He thrust his finger into the tiny hole to stop the water.
iv) Peter saw a small hole in the dike.
v) He shouted for help but no one turned up. His finger became numb.
Solution: Correct Order:
1. (iv) Peter saw a small hole in the dike.
2. (iii) He thrust his finger into the tiny hole to stop the water.
3. (v) He shouted for help but no one turned up. His finger became numb.
4. (i) He stayed there the whole night.
5. (ii) The next morning, a man going to work found Peter in the dikes.
38. Read the following passage and answer the questions given below. (Passage about Francis Bennett from 'The Tech Bloomers' / Jules Verne story)
Questions:
i) How did Francis Bennett feel when he woke up?
ii) Why did Francis Bennett feel lonely?
iii) What device did Francis Bennett switch on?
iv) Where was Francis Bennett's wife?
v) Can you describe the location of Francis Bennett's house.
Solution: i) He woke up in rather a bad temper.
ii) He felt lonely because his wife had been in France for eight days.
iii) He switched on his Phonotelephote.
iv) His wife was in France (Paris, Champs-Elysees).
v) His house was in the Champs-Elysees (Note: The text says wires led to the house *in* the Champs-Elysees, implying connection, but usually Francis is in Centropolis, USA in the story. However, based strictly on the provided text snippet: "wires led to the house he owned in the Champs - Elysees." So, the house mentioned is in Champs-Elysees).
Section - IV

Answer any four of the following. (4x5=20)

39. Prepare an attractive advertisement using the hints given below.
The Tea spot - one cup at a time - Buy 1 get 1 free - cozy atmosphere - Free Wifi - Tea tastings - signature tea blends.
Solution Guide: [Create a box]
THE TEA SPOT
"One Cup at a Time"
SPECIAL OFFER: BUY 1 GET 1 FREE!
  • Cozy Atmosphere
  • Free Wifi
  • Exclusive Tea Tastings
  • Signature Tea Blends
Visit us today!
[Address/Contact Info]
40. You are the school pupil leader. You have been asked to write a report on the Annual sports day of your school. Write a report on the same in not more than 120 words.
Solution Guide: ANNUAL SPORTS DAY CELEBRATION
By [Name], School Pupil Leader
[City, Date]: Our school celebrated its Annual Sports Day on 10th October with great zeal. The District Collector was the chief guest. The event began with a march past, followed by the lighting of the Olympic torch. Students participated in various events like 100m dash, relay, and long jump. The Green House won the overall trophy. The Chief Guest distributed prizes and praised the sportsmanship of the students. The day ended with the National Anthem.
41. You are Ganesh / Gayathri Head boy / Head girl, of your School. Write a notice for your school notice board informing the students about the 'Fancy Fete' that is going to be organized in your school campus on 10th of next month.
Solution Guide:
GOVERNMENT HIGH SCHOOL, [CITY]
NOTICE
October 20, 2024

FANCY FETE
All students are informed that our school is organizing a 'Fancy Fete' on the 10th of November in the school playground from 9 AM to 4 PM. There will be food stalls, games, and cultural performances. Interested students who wish to put up stalls should contact the undersigned by October 30th.

Gayathri
(Head Girl)
42. Look at the following picture and express your views on it in a paragraph of five sentences. (Image showing POCSO ACT awareness / Good touch Bad touch).
Solution: The picture depicts awareness about child safety and the POCSO Act. It shows children confidently saying "NO" to unwanted touches. Hands reaching out represent potential threats or bad touches that children must recognize. It emphasizes the importance of teaching children the difference between good touch and bad touch. Such awareness empowers children to protect themselves and seek help when needed.
43. Make notes or write a summary of the following passage. (Passage on Language).
Solution (Notes): Importance of Language
1. Fund. Aspect:
- express thoughts, emotions, ideas.
- not just info conveying.
2. Social Conn.:
- builds relationships.
- construct understanding of world.
3. Diversity:
- reflects culture, identity.
- shaped by history/geo/social factors.
4. Evolution:
- Adapts to tech & cultural shifts.
5. Non-verbal:
- Gestures, facial expressions crucial.
- Shapes thought & relations.
44. Identify the errors and correct them.
Solution: a) I prefer coffee than tea. → I prefer coffee to tea.
b) If I were a bird, I will fly. → If I were a bird, I would fly.
c) He is a honest man. → He is an honest man.
d) He wrote in the board. → He wrote on the board.
e) I am absent yesterday. → I was absent yesterday.
Section - V
45. Quote from Memory.
From: A woman................
To: .......................... see in spring.
Solution: A woman is beauty innate,
A symbol of power and strength.
She puts her life at stake,
She's real, she's not fake!
The summer of life she's ready to see in spring.
PART - IV
46. Write a paragraph of about 150 words by developing the following hints. (2x8=16)
a) The emperor - ordered - one man from each family - join the army - Mulan - dressed herself as a man... (The Story of Mulan)
OR
b) Prospero - duke of Milan - more interested in magic books... (The Tempest)
Solution Guide: (Choose one)

a) The Story of Mulan: The Emperor of China ordered that one man from each family must join the army to fight the enemy. Mulan, a brave girl, heard this. Her father was old and frail, and her brother was a child. To save her father, she cut her hair and dressed as a man. She joined the army in his place. She proved to be a brave soldier and fought many battles. A bad fever swept through the camp, and when the doctor examined her, her secret was revealed. The soldiers were angry, but just then, a surprise attack happened. Mulan rallied the troops and won the battle. The Emperor was glad and offered her rewards, but she chose to return home to her family.

b) The Tempest: Prospero was the Duke of Milan. He was more interested in reading magic books than ruling. His ambitious brother, Antonio, usurped the throne with the help of the King of Naples. Prospero and his daughter Miranda were cast out to sea and landed on an island. Prospero released a good spirit, Ariel, from a witch's spell and raised a violent storm to bring his enemies to the island. Ferdinand (King's son) and Miranda fell in love. Prospero tested Ferdinand to ensure his love was true. Finally, Antonio realized his mistakes, and Prospero forgave them, restoring his Dukedom.
47. a) Read the following passage (Cyber safety) and answer the questions given below.
Questions:
a) What is cyber safety?
b) Why is it important to use strong, unique passwords?
c) How can you protect yourself from phishing and scams?
d) What should children be taught about online interactions?
Solution: a) Cyber safety involves protecting personal information, devices, and online activities from threats such as hacking, phishing, and cyberbullying.
b) It is important to prevent unauthorized access to different accounts.
c) By being cautious of suspicious links or emails and avoiding sharing sensitive information like passwords or banking details on unsecured platforms.
d) Children should be taught about the risks of interacting with strangers online and how to set privacy controls.
(OR)
b) Read the following passage (Poem lines) and answer the questions given below.
If you can face the stormy tide... A noble soul shall never part.
Questions:
a) What should you do when facing fear or doubt?
b) How can you support others who are struggling?
c) According to the poem, where does true strength come from?
d) What qualities make a soul noble, as described in the poem?
Solution: a) You should hold your fears and doubts inside and rise when others fall.
b) By hearing the weak and their faintest call.
c) True strength springs from the mind and heart (not flesh and bone).
d) Courage and the will to never part (give up) make a soul noble.
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- End of Solutions -

10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Pudukkottai District | Tamil Medium

10th Science 2nd Mid Term Exam 2024 Question Paper with Solutions

Complete Solutions

рокроХுродி - I / PART - I (6x1=6)

роХுро▒ிрок்рокு: 1) роЕройைрод்родு ро╡ிройாроХ்роХро│ுроХ்роХுроо் ро╡ிроЯைропро│ிроХ்роХро╡ுроо். 2) роПро▒்рокுроЯைроп ро╡ிроЯைропைрод் родேро░்рои்родெроЯுрод்родுроХ் роХுро▒ிропீроЯ்роЯுроЯрой் ро╡ிроЯைропிройைропுроо் роЪேро░்род்родு роОро┤ுродро╡ுроо்.

Note: 1) Answer all the questions. 2) Choose the best answer and write option code with corresponding answer.

1. роТро▓ி роЕро▓ைроХро│் роХாро▒்ро▒ிро▓் рокро░ро╡ுроо்рокோродு роЕродрой் родுроХро│்роХро│்...
When a sound wave travels through air, the air particles...

  • роЕ) роЕро▓ைропிрой் родிроЪைропிро▓் роЕродிро░்ро╡ுро▒ுроо் / a) Vibrate along the direction of the wave motion
  • роЖ) роЕродிро░்ро╡ுро▒ுроо் роЖройாро▓் роХுро▒ிрок்рокிроЯ்роЯ родிроЪைропிро▓்ро▓ை / b) Vibrate but not in any fixed direction
  • роЗ) роЕро▓ைропிрой் родிроЪைроХ்роХு роЪெроЩ்роХுрод்родாроХ роЕродிро░்ро╡ுро▒ுроо் / c) Vibrate perpendicular to the direction of the wave motion
  • роИ) роЕродிро░்ро╡ுро▒ுро╡родிро▓்ро▓ை / d) Do not vibrate
ро╡ிроЯை: роЕ) роЕро▓ைропிрой் родிроЪைропிро▓் роЕродிро░்ро╡ுро▒ுроо் / a) Vibrate along the direction of the wave motion

2. роХродிро░ிропроХ்роХрод்родிрой் роЕро▓роХு...
Unit of radioactivity is...

  • роЕ) ро░ாрог்роЯ்роЬрой் / a) Roentgen
  • роЖ) роХிропூро░ி / b) Curie
  • роЗ) рокெроХ்роХொро░ро▓் / c) Becquerel
  • роИ) роЗро╡ை роЕройைрод்родுроо் / d) All of the above
ро╡ிроЯை: роИ) роЗро╡ை роЕройைрод்родுроо் / d) All of the above

3. $$ H_{2(g)} + Cl_{2(g)} \rightarrow 2HCl_{(g)} $$ роОрой்рокродு...
$$ H_{2(g)} + Cl_{2(g)} \rightarrow 2HCl_{(g)} $$ is a...

  • роЕ) роЪிродைро╡ுро▒ுродро▓் ро╡ிройை / a) Decomposition reaction
  • роЖ) роЪேро░்роХ்роХைро╡ிройை / b) Combination reaction
  • роЗ) роТро▒்ро▒ை роЗроЯрок்рокெропро░்роЪ்роЪி ро╡ிройை / c) Single displacement reaction
  • роИ) роЗро░роЯ்роЯை роЗроЯрок்рокெропроЪ்роЪ்роЪி ро╡ிройை / d) Double displacement reaction
ро╡ிроЯை: роЖ) роЪேро░்роХ்роХைро╡ிройை / b) Combination reaction

4. IUPAC рокெропро░ிроЯுродро▓ிрой்рокроЯி роЖро▓்роЯிро╣ைроЯுроХ்роХாроХ роЪேро░்роХ்роХрок்рокроЯுроо் роЗро░рог்роЯாроо் роиிро▓ை рокிрой்ройொроЯ்роЯு...
The secondary suffix used in IUPAC nomenclature of an aldehyde is...

  • роЕ) роЖро▓் / a) -ol
  • роЖ) роЖрооிроХ் роЕрооிро▓роо் / b) -omic acid
  • роЗ) роПро▓் / c) -al
  • роИ) роЕро▓் (Note: Tamil option is роИ but English option is c)
ро╡ிроЯை: роЗ) роПро▓் / c) -al

5. рокропрой்рокாроЯு рооро▒்ро▒ுроо் рокропрой்рокроЯுрод்родாрооை роХோроЯ்рокாроЯ்роЯை рооுрой்рооொро┤ிрои்родро╡ро░்...
The use and disuse theory was proposed by...

  • роЕ) роЪாро░்ро▓ро╕் роЯாро░்ро╡ிрой் / a) Charles Darwin
  • роЖ) роОро░்ройро╕்роЯ் ро╣ெроХ்роХро▓் / b) Ernst Haeckel
  • роЗ) роЬீрой் рокாрок்роЯிро╕்роЯ் ро▓ாрооாро░்роХ் / c) Jean Baptiste Lamarck
  • роИ) роХிро░ிроХро░் рооெрог்роЯро▓் / d) Gregor Mendel
ро╡ிроЯை: роЗ) роЬீрой் рокாрок்роЯிро╕்роЯ் ро▓ாрооாро░்роХ் / c) Jean Baptiste Lamarck

6. рокроЪுрооை роЗро▓்ро▓ ро╡ிро│ைро╡ு роОрой роХுро▒ிрок்рокிроЯрок்рокроЯுро╡родு...
Green house effect refers to...

  • роЕ) рокூрооி роХுро│ிро░்родро▓் / a) Cooling of earth
  • роЖ) рокுро▒ роКродா роХродிро░்роХро│் ро╡ெро│ிропே роЪெро▓்ро▓ாрооро▓் роЗро░ுрод்родро▓் / b) Trapping of UV rays
  • роЗ) родாро╡ро░роЩ்роХро│் рокропிро░் роЪெроп்родро▓் / c) Cultivation of plants
  • роИ) рокூрооி ро╡ெрок்рокрооாродро▓் / d) Warming of earth
ро╡ிроЯை: роИ) рокூрооி ро╡ெрок்рокрооாродро▓் / d) Warming of earth

рокроХுродி - II / PART - II (5x2=10)

роХுро▒ிрок்рокு: роПродேройுроо் 5 ро╡ிройாроХ்роХро│ுроХ்роХு ро╡ிроЯைропро│ிроХ்роХро╡ுроо். ( роХроЯ்роЯாроп ро╡ிройா 14)

Note: Answer any 5 of the following questions. Question No.14 is compulsory.

7. рооீропொро▓ிропை роЙрогро░ுроо் роПродேройுроо் рооூрой்ро▒ு ро╡ிро▓роЩ்роХுроХро│ைроХ் роХூро▒ுроХ.
Name three animals, which can hear Ultrasonic Vibrations.

рооீропொро▓ிропை роЙрогро░ுроо் рооூрой்ро▒ு ро╡ிро▓роЩ்роХுроХро│்:
  1. ро╡ௌро╡ாро▓் (Bat)
  2. роиாроп் (Dog)
  3. роЯாро▓்рокிрой் (Dolphin)

8. рооீро│் рооро▒்ро▒ுроо் рооீро│ா ро╡ிройைроХро│ை ро╡ேро▒ுрокроЯுрод்родுроХ.
Differentiate reversible and irreversible reactions.

рооீро│் ро╡ிройை (Reversible Reaction) рооீро│ா ро╡ிройை (Irreversible Reaction)
роЪாродроХрооாрой роЪூро┤்роиிро▓ைропிро▓் ро╡ிройைрокроЯு рокொро░ுроЯ்роХро│் ро╡ிройைро╡ிро│ை рокொро░ுроЯ்роХро│ாроХро╡ுроо், ро╡ிройைро╡ிро│ை рокொро░ுроЯ்роХро│் ро╡ிройைрокроЯு рокொро░ுроЯ்роХро│ாроХро╡ுроо் рооாро▒ுроо். ро╡ிройைрокроЯு рокொро░ுроЯ்роХро│் ро╡ிройைро╡ிро│ை рокொро░ுроЯ்роХро│ாроХ роороЯ்роЯுрооே рооாро▒ுроо்.
ро╡ிройை роЗро░ு родிроЪைроХро│ிро▓ுроо் роиிроХро┤ுроо் (рооுрой்ройோроХ்роХு рооро▒்ро▒ுроо் рокிрой்ройோроХ்роХு). ро╡ிройை роТро░ு родிроЪைропிро▓் роороЯ்роЯுрооே роиிроХро┤ுроо் (рооுрой்ройோроХ்роХு).
роЗро╡்ро╡ிройைроХро│் роЪроороиிро▓ைропை роЕроЯைропுроо். роЗро╡்ро╡ிройைроХро│் роЪроороиிро▓ைропை роЕроЯைро╡родிро▓்ро▓ை.
роО.роХா: \( PCl_5 \rightleftharpoons PCl_3 + Cl_2 \) роО.роХா: \( C + O_2 \rightarrow CO_2 \)

9. роХீро┤்роХ்роХрог்роЯ ро╡ிройாроХ்роХро│ுроХ்роХு рокிрой்ро╡ро░ுроо் родро░ро╡ுроХро│ை рокропрой்рокроЯுрод்родி ро╡ிроЯைропро│ி.
роХூро▒்ро▒ு A: роХроЯிрой роиீро░ிро▓் роЪோрок்рокை ро╡ிроЯ роЯிроЯро░்роЬெрог்роЯ்роХро│் роЪிро▒рок்рокாроХ роЪெропро▓்рокுро░ிроХிрой்ро▒рой
роХாро░рогроо் R: роЯிроЯро░்роЬெрог்роЯ்роХро│் роХாро▓்роЪிропроо் рооро▒்ро▒ுроо் рооெроХ்ройீроЪிропроо் роЙрок்рокுроХ்роХро░ை ро╡ீро┤்рокроЯிро╡ு роЪெроп்ро╡родிро▓்ро▓ை
Assertion A: Detergents are more effective cleaning agents than soaps in hard water
Reason R: Calcium and Magnesium salts of detergents are water soluble

ро╡ிроЯை: 1) A рооро▒்ро▒ுроо் R роЪро░ி. R, AроР ро╡ிро│роХ்роХுроХிро▒родு / a) A and R are correct R explains the A

10. роЖро░்роХ்роХிропாрок்роЯெро░ிроХ்ро╕் роЗрогைрок்рокு роЙропிро░ிропாроХ роПрой் роХро░ுродрок்рокроЯுроХிро▒родு?
Why is Archaeopteryx considered to be a connecting link?

роЖро░்роХ்роХிропாрок்роЯெро░ிроХ்ро╕் роКро░்ро╡рой рооро▒்ро▒ுроо் рокро▒ро╡ைроХро│் роЖроХிроп роЗро░ு ро╡роХுрок்рокுроХро│ிрой் рокрог்рокுроХро│ைропுроо் рокெро▒்ро▒ிро░ுрои்родродாро▓், роЕродு роЗрогைрок்рокு роЙропிро░ிропாроХроХ் роХро░ுродрок்рокроЯுроХிро▒родு.
  • роКро░்ро╡ройро╡ро▒்ро▒ிрой் рокрог்рокுроХро│்: рокро▒்роХро│ைроХ் роХொрог்роЯ роЕро▓роХுроХро│், ро╡ிро░ро▓்роХро│ிро▓் роироХроЩ்роХро│், роиீрог்роЯ ро╡ாро▓்.
  • рокро▒ро╡ைроХро│ிрой் рокрог்рокுроХро│்: роЗро▒роХுроХро│், рокро▒роХ்роХுроо் родிро▒рой்.

11. ро▓ைроЪிрой் роЕрооிройோ роЕрооிро▓роо் роЪெро▒ிрои்род роЗро░рог்роЯு роороХ்роХாроЪோро│ роХро▓рок்рокுропிро░ி ро╡роХைроХро│ிрой் рокெропро░ை роОро┤ுродுроХ.
Name two maize hybrids rich in amino acid lysine.

ро▓ைроЪிрой் роЕрооிройோ роЕрооிро▓роо் роЪெро▒ிрои்род роороХ்роХாроЪோро│ роХро▓рок்рокுропிро░ி ро╡роХைроХро│்:
  1. рокுро░ோроЯ்роЯிройா (Protina)
  2. роЪроХ்родி (Shakti)
  3. ро░род்ройா (Rathna)

12. HIV рокро░ро╡роХ்роХூроЯிроп рокро▓்ро╡ேро▒ு ро╡ро┤ிроХро│ைроХ் роХூро▒ுроХ.
What are the various routes by which transmission of HIV takes place?

HIV рокро░ро╡ுроо் ро╡ро┤ிроХро│்:
  • рокாродுроХாрок்рокро▒்ро▒ роЙроЯро▓ுро▒ро╡ு.
  • рокாродிроХ்роХрок்рокроЯ்роЯ роЗро░род்родроо் рооро▒்ро▒ுроо் роЗро░род்родрок் рокொро░ுроЯ்роХро│ைрок் рокெро▒ுродро▓்.
  • роЪுроХாродாро░рооро▒்ро▒ рооுро▒ைропிро▓் рокропрой்рокроЯுрод்родрок்рокроЯ்роЯ роКроЪிроХро│ைрок் рокроХிро░்родро▓்.
  • рокாродிроХ்роХрок்рокроЯ்роЯ родாропிроЯрооிро░ுрои்родு роЪேроп்роХ்роХு роХро░ுро╡ிро▓ோ роЕро▓்ро▓родு родாроп்рок்рокாро▓் рооூро▓рооாроХро╡ோ рокро░ро╡ுродро▓்.

13. рокுродைрокроЯிро╡ роОро░ிрокொро░ுро│்роХро│ை роиாроо் роПрой் рокாродுроХாроХ்роХ ро╡ேрог்роЯுроо்?
Why fossil fuels are to be conserved?

  • рокுродைрокроЯிро╡ роОро░ிрокொро░ுро│்роХро│் рокுродுрок்рокிроХ்роХ роЗропро▓ாрод роЖро▒்ро▒ро▓் рооூро▓роЩ்роХро│். роЕро╡ை роЙро░ுро╡ாроХ рооிро▓்ро▓ிропрой் роХрогроХ்роХாрой роЖрог்роЯுроХро│் роЖроХுроо்.
  • роЗро╡ро▒்ро▒ை роОро░ிрок்рокродாро▓் роХாро░்рокрой் роЯை роЖроХ்роЪைроЯு рокோрой்ро▒ рокроЪுрооை роЗро▓்ро▓ ро╡ாропுроХ்роХро│் ро╡ெро│ிропேро▒ி рокுро╡ி ро╡ெрок்рокрооропрооாродро▓ுроХ்роХு ро╡ро┤ிро╡роХுроХ்роХிро▒родு.
  • роЗро╡ை роХாро▒்ро▒ு рооாроЪுрокாроЯ்роЯைропுроо், роЕрооிро▓ рооро┤ைропைропுроо் роПро▒்рокроЯுрод்родுроХிрой்ро▒рой.
  • ро╡ро░ுроЩ்роХாро▓ роЪрои்родродிропிройро░ிрой் родேро╡ைроХро│ுроХ்роХாроХ роЗро╡ро▒்ро▒ை роЪேрооிрок்рокродு роЕро╡роЪிропроо்.

14. (роХроЯ்роЯாроп ро╡ிройா) роЕро▓ைрокேроЪி роХோрокுро░роЩ்роХро│் рооройிрод ро╡ாро┤்ро╡ிроЯрод்родிро▓ிро░ுрои்родு родொро▓ைро╡ிро▓் роЕрооைроХ்роХрок்рокроЯ ро╡ேрог்роЯுроо். роПрой்?
(Compulsory) Cell phone towers should be placed far away from the residential area. Why?

роЕро▓ைрокேроЪி роХோрокுро░роЩ்роХро│் рооிрой்роХாрои்родроХ் роХродிро░்ро╡ீроЪ்роЪை (Electromagnetic Radiation) ро╡ெро│ிропிроЯுроХிрой்ро▒рой. родொроЯро░்роЪ்роЪிропாроХ роЗрои்род роХродிро░்ро╡ீроЪ்роЪுроХ்роХு роЖроЯ்рокроЯுро╡родு рооройிродро░்роХро│் рооро▒்ро▒ுроо் рокிро▒ роЙропிро░ிройроЩ்роХро│ிрой் роЖро░ோроХ்роХிропрод்родிро▓் рокாродிрок்рокை роПро▒்рокроЯுрод்родроХ்роХூроЯுроо் роОрой роЪிро▓ роЖроп்ро╡ுроХро│் родெро░ிро╡ிроХ்роХிрой்ро▒рой. родро▓ைро╡ро▓ி, роЪோро░்ро╡ு, рооро▒்ро▒ுроо் роиீрог்роЯроХாро▓ р┤Жр┤░ോр┤Ч്р┤прок் рокிро░роЪ்роЪройைроХро│் роПро▒்рокроЯ ро╡ாроп்рок்рокுро│்ро│родாроХ роироо்рокрок்рокроЯுро╡родாро▓், рооுрой்ройெроЪ்роЪро░ிроХ்роХை роироЯро╡роЯிроХ்роХைропாроХ роЗро╡ை роХுроЯிропிро░ுрок்рокுрок் рокроХுродிроХро│ிро▓் роЗро░ுрои்родு родொро▓ைро╡ிро▓் роЕрооைроХ்роХрок்рокроЯ ро╡ேрог்роЯுроо்.

рокроХுродி - III / PART - III (5x4=20)

роХுро▒ிрок்рокு: роОро╡ைропேройுроо் 5 ро╡ிройாроХ்роХро│ுроХ்роХு ро╡ிроЯைропро│ிроХ்роХро╡ுроо். (роХроЯ்роЯாроп ро╡ிройா 22)

Note: Answer any 5 questions. Question No.22 is compulsory.

15. роЗроЪைропро░роЩ்роХроЩ்роХро│ிрой் рооேро▒்роХூро░ை ро╡ро│ைро╡ாроХ роЗро░ுрок்рокродு роПрой்?
Explain why the ceilings of concert halls are curved.

роЗроЪைропро░роЩ்роХроЩ்роХро│ிрой் рооேро▒்роХூро░ை ро╡ро│ைро╡ாроХ ро╡роЯிро╡рооைроХ்роХрок்рокроЯுро╡родро▒்роХு роХாро░рогроо் рокрой்рооுроХ роОродிро░ொро▓ிрок்рокு (Multiple Reflection) роЖроХுроо். ро╡ро│ைро╡ாрой рокро░рок்рокுроХро│் роТро▓ிропை роЕро░роЩ்роХрод்родிрой் роЕройைрод்родுрок் рокроХுродிроХро│ுроХ்роХுроо் роЪроорооாроХрок் рокро░рок்рокி, роОродிро░ொро▓ிроХ்роХроЪ் роЪெроп்роХிрой்ро▒рой. роЗродройாро▓், роЕро░роЩ்роХрод்родிрой் роТро╡்ро╡ொро░ு рооூро▓ைропிро▓ுроо் роЕрооро░்рои்родிро░ுроХ்роХுроо் рокாро░்ро╡ைропாро│ро░்роХро│ுроХ்роХுроо் роТро▓ி родெро│ிро╡ாроХро╡ுроо், роЪроорооாроХро╡ுроо் роЪெрой்ро▒роЯைроХிро▒родு. роЗродு роТро▓ிроЪ் роЪெро▒ிро╡ை роЕродிроХро░ிрод்родு, роЪிро▒рои்род роХேроЯ்роХுроо் роЕройுрокро╡род்родை ро╡ро┤роЩ்роХுроХிро▒родு.

16. ро╡ேро│ாрог்рооைрод் родுро▒ைропிро▓் роХродிро░ிропроХ்роХ ро░ேроЯிропோ роРроЪோроЯோрок்рокுроХро│ிрой் рокропрой்роХро│் роПродேройுроо் роиாрой்роХிройை роОро┤ுродுроХ.
Give any four uses of radio isotopes in the field of agriculture.

  • рокாро╕்рокро░ро╕்-32 (P-32): родாро╡ро░роЩ்роХро│் роЙро░роЩ்роХро│ை роЙро▒ிроЮ்роЪுроо் ро╡ீродрод்родைроХ் роХрог்роЯро▒ிроп роЙродро╡ுроХிро▒родு.
  • роХாро░்рокрой்-14 (C-14): родாро╡ро░роЩ்роХро│ிро▓் роТро│ிроЪ்роЪேро░்роХ்роХை роЪெропро▓்рооுро▒ைропை роЖроп்ро╡ு роЪெроп்ропрок் рокропрой்рокроЯுроХிро▒родு.
  • роХродிро░ிропроХ்роХроХ் роХோрокாро▓்роЯ்-60 & роЪீроЪிропроо்-137: ро╡ெроЩ்роХாропроо், роЙро░ுро│ைроХ்роХிро┤роЩ்роХு рокோрой்ро▒ роХாроп்роХро▒ிроХро│் рооுро│ைро╡ிроЯுро╡родைрод் родроЯுрод்родு, роиீрог்роЯ роиாроЯ்роХро│் роЪேрооிрод்родு ро╡ைроХ்роХ роЙродро╡ுроХிро▒родு.
  • роХродிро░்ро╡ீроЪ்роЪு рооுро▒ை: рокропிро░்роХро│ுроХ்роХுрод் родீроЩ்роХு ро╡ிро│ைро╡ிроХ்роХுроо் рокூроЪ்роЪிроХро│ை рооро▓роЯாроХ்роХி, роЕро╡ро▒்ро▒ிрой் роЗройрок்рокெро░ுроХ்роХрод்родைроХ் роХроЯ்роЯுрок்рокроЯுрод்родрок் рокропрой்рокроЯுроХிро▒родு.

17. ро╡ெрок்рокроЪ்роЪிродைро╡ு ро╡ிройைроХро│் роОрой்рокро╡ை ропாро╡ை?
What are called Thermolysis reactions?

роТро░ு роЪேро░்роороо் ро╡ெрок்рокрод்родிрой் рооூро▓роо் роЪிродைроХ்роХрок்рокроЯ்роЯு роЗро░рог்роЯு роЕро▓்ро▓родு роЕродро▒்роХு рооேро▒்рокроЯ்роЯ роОро│ிроп рокொро░ுроЯ்роХро│ாроХ рооாро▒ுроо் ро╡ிройை, ро╡ெрок்рокроЪ்роЪிродைро╡ு ро╡ிройை роОройрок்рокроЯுроо். роЗродு роТро░ு ро╡ெрок்рокроо் роХொро│் ро╡ிройைропாроХுроо்.
роОроЯுрод்родுроХ்роХாроЯ்роЯு: роХாро▓்роЪிропроо் роХாро░்рокройேроЯ்роЯை (роЪுрог்рогாроо்рокுроХ்роХро▓்) ро╡ெрок்рокрок்рокроЯுрод்родுроо்рокோродு, роЕродு роЪிродைрои்родு роХாро▓்роЪிропроо் роЖроХ்роЪைроЯு (роЪுроЯ்роЯ роЪுрог்рогாроо்рокு) рооро▒்ро▒ுроо் роХாро░்рокрой் роЯை роЖроХ்роЪைроЯாроХ рооாро▒ுроХிро▒родு.
$$ CaCO_3 (s) \xrightarrow{\Delta} CaO (s) + CO_2 (g) $$

18. ро╡роЯ்роЯாро░ роЗройродாро╡ро░ро╡ிропро▓் роОрой்рокродройை ро╡ро░ைропро▒ுрод்родு роЕродрой் рооுроХ்роХிропрод்родுро╡род்родை роОро┤ுродுроХ.
Define Ethnobotany and write its importance.

ро╡ро░ைропро▒ை: роТро░ு роХுро▒ிрок்рокிроЯ்роЯ рокроХுродிропிро▓் роЕро▓்ро▓родு роЗройроХ் роХுро┤ுро╡ைроЪ் роЪேро░்рои்род роороХ்роХро│், родроЩ்роХро│ைроЪ் роЪுро▒்ро▒ிропுро│்ро│ родாро╡ро░роЩ்роХро│ை роОро╡்ро╡ாро▒ு рокாро░роо்рокро░ிропрооாроХрок் рокропрой்рокроЯுрод்родுроХிро▒ாро░்роХро│் роОрой்рокродைрок் рокро▒்ро▒ி роЖро░ாропுроо் роЕро▒ிро╡ிропро▓் рокிро░ிро╡ு ро╡роЯ்роЯாро░ роЗройродாро╡ро░ро╡ிропро▓் (Ethnobotany) роЖроХுроо்.
рооுроХ்роХிропрод்родுро╡роо்:
  • рокாро░роо்рокро░ிроп роЕро▒ிро╡ு рооро▒்ро▒ுроо் родாро╡ро░рок் рокропрой்рокாроЯுроХро│ை роЖро╡рогрок்рокроЯுрод்род роЙродро╡ுроХிро▒родு.
  • рокுродிроп рооро░ுрои்родுроХро│் рооро▒்ро▒ுроо் рокропройுро│்ро│ ро╡ேродிрок்рокொро░ுроЯ்роХро│ைроХ் роХрог்роЯро▒ிроп ро╡ро┤ிро╡роХுроХ்роХிро▒родு.
  • родாро╡ро░рок் рокро▓்ро╡роХைрооைропைрок் рокாродுроХாрок்рокродрой் роЕро╡роЪிропрод்родை роЙрогро░்род்родுроХிро▒родு.
  • роиிро▓ைропாрой ро╡ேро│ாрог்рооை рооро▒்ро▒ுроо் ро╡ройрок் рокாродுроХாрок்рокுроХ்роХு роЙродро╡ுроХிро▒родு.

19. роЙроЯ்роХро▓рок்рокு рооро▒்ро▒ுроо் ро╡ெро│ிроХ்роХро▓рок்рокு ро╡ேро▒ுрокроЯுрод்родுроХ.
Differentiate between outbreeding and inbreeding.

роЙроЯ்роХро▓рок்рокு (Inbreeding) ро╡ெро│ிроХ்роХро▓рок்рокு (Outbreeding)
роиெро░ுроЩ்роХிроп родொроЯро░்рокுроЯைроп роЙропிро░ிройроЩ்роХро│ுроХ்роХு роЗроЯைропே роироЯைрокெро▒ுроо் роХро▓рок்рокிройроо். родொроЯро░்рокро▒்ро▒ роЙропிро░ிройроЩ்роХро│ுроХ்роХு роЗроЯைропே роироЯைрокெро▒ுроо் роХро▓рок்рокிройроо்.
роТрод்род рокрог்рокுроЯைроп родூроп ро╡роХைроХро│ை роЙро░ுро╡ாроХ்роХ роЙродро╡ுроХிро▒родு. рокுродிроп рооро▒்ро▒ுроо் рооேроо்рокроЯ்роЯ рокрог்рокுроХро│ைроХ் роХொрог்роЯ роХро▓рок்рокுропிро░ிроХро│ை роЙро░ுро╡ாроХ்роХ роЙродро╡ுроХிро▒родு.
родொроЯро░்роЪ்роЪிропாрой роЙроЯ்роХро▓рок்рокு, рооро░рокрогு рокро▓்ро╡роХைрооைропைроХ் роХுро▒ைрод்родு, роЙроЯ்роХро▓рок்рокுроЪ் роЪிродைро╡ுроХ்роХு (Inbreeding depression) ро╡ро┤ிро╡роХுроХ்роХுроо். рооро░рокрогு рокро▓்ро╡роХைрооைропை роЕродிроХро░ிрод்родு, роХро▓рок்рокுропிро░ி ро╡ீро░ிропрод்родிро▒்роХு (Hybrid vigour) ро╡ро┤ிро╡роХுроХ்роХிро▒родு.
рокрог்рокுрод்родிро▒рой் рокொродுро╡ாроХроХ் роХுро▒ைроХிро▒родு. рокрог்рокுрод்родிро▒рой் рокொродுро╡ாроХ роЕродிроХро░ிроХ்роХிро▒родு.

20. роЗродропроиோроп்роХро│் роПро▒்рокроЯுро╡родை родроЯுроХ்роХ рооேро▒்роХொро│்ро│ுроо் рооுрой்ройெроЪ்роЪро░ிроХ்роХை роироЯро╡роЯிроХ்роХைроХро│ைроХ் роХூро▒ுроХ.
What precautions can be taken for preventing heart diseases.

  • роЪроороЪ்роЪீро░் роЙрогро╡ு: роХொро┤ுрок்рокு, роЙрок்рокு рооро▒்ро▒ுроо் роЪро░்роХ்роХро░ை роХுро▒ைрои்род, роиாро░்роЪ்роЪрод்родு роиிро▒ைрои்род роХாроп்роХро▒ிроХро│், рокро┤роЩ்роХро│் рооро▒்ро▒ுроо் рооுро┤ு родாройிропроЩ்роХро│ை роЙрог்рогுродро▓்.
  • роЙроЯро▒்рокропிро▒்роЪி: родிройрооுроо் роХுро▒ைрои்родродு 30 роиிрооிроЯроЩ்роХро│் роироЯைрокропிро▒்роЪி, роУроЯ்роЯроо் роЕро▓்ро▓родு ропோроХா рокோрой்ро▒ роЙроЯро▒்рокропிро▒்роЪிроХро│ை рооேро▒்роХொро│்ро│ுродро▓்.
  • рокுроХைрок்рокிроЯிрод்родро▓் рооро▒்ро▒ுроо் роородு роЕро░ுрои்родுродро▓ைрод் родро╡ிро░்род்родро▓்: роЗро╡ை роЗродропрод்родிро▒்роХு родீроЩ்роХு ро╡ிро│ைро╡ிроХ்роХுроо் рооுроХ்роХிроп роХாро░рогிроХро│ாроХுроо்.
  • роЙроЯро▓் роОроЯைропைроЪ் роЪீро░ாроХрок் рокро░ாрооро░ிрод்родро▓்: роЕродிроХ роЙроЯро▓் роОроЯை роЗродропрод்родிро▒்роХு роХூроЯுродро▓் роЪுрооைропை роЕро│ிроХ்роХுроо்.
  • роорой роЕро┤ுрод்родрод்родைроХ் роХுро▒ைрод்родро▓்: родிропாройроо், ропோроХா рооро▒்ро▒ுроо் рокொро┤ுродுрокோроХ்роХு роЕроо்роЪроЩ்роХро│் рооூро▓роо் роорой роЕро┤ுрод்родрод்родைроХ் роХроЯ்роЯுрок்рокроЯுрод்родுродро▓்.
  • рооுро▒ைропாрой рооро░ுрод்родுро╡рок் рокро░ிроЪோродройை: роЗро░род்род роЕро┤ுрод்родроо், роХொро▓ро╕்роЯ்ро░ாро▓் рооро▒்ро▒ுроо் роЪро░்роХ்роХро░ை роЕро│ро╡ை роЪீро░ாрой роЗроЯைро╡ெро│ிропிро▓் рокро░ிроЪோродிрод்родро▓்.

21. рооро┤ைроиீро░் роЪேрооிрок்рокிрой் рооுроХ்роХிропрод்родுро╡роЩ்роХро│் ропாро╡ை?
What is the importance of rainwater harvesting?

  • роиிро▓род்родроЯி роиீро░் роороЯ்роЯрод்родை роЙропро░்род்родுродро▓்: роЪேрооிроХ்роХрок்рокроЯுроо் рооро┤ைроиீро░் роиிро▓род்родிро▓் роКроЯுро░ுро╡ி, роиிро▓род்родроЯி роиீро░் роороЯ்роЯрод்родை роЕродிроХро░ிроХ்роХроЪ் роЪெроп்роХிро▒родு.
  • родрог்рогீро░்род் родேро╡ைропைрок் рокூро░்род்родி роЪெроп்родро▓்: роЪேрооிрод்род рооро┤ைроиீро░ை роХுроЯிроиீро░் роЕро▓்ро▓ாрод родேро╡ைроХро│ுроХ்роХு (родோроЯ்роЯроо், роХро┤ிро╡ро▒ை) рокропрой்рокроЯுрод்родро▓ாроо்.
  • ро╡ெро│்ро│рок்рокெро░ுроХ்роХைроХ் роХроЯ்роЯுрок்рокроЯுрод்родுродро▓்: рооро┤ைроиீро░் роУроЯிроЪ் роЪெрой்ро▒ு роЪாроХ்роХроЯைроХро│ிро▓் роХро▓рок்рокродைрод் родроЯுрод்родு, роироХро░்рок்рокுро▒ ро╡ெро│்ро│рок்рокெро░ுроХ்роХைроХ் роХுро▒ைроХ்роХிро▒родு.
  • роорог்рогро░ிрок்рокைрод் родроЯுрод்родро▓்: ро╡ேроХрооாроХ роУроЯுроо் рооро┤ைроиீро░் рооேро▓்роорог்рогை роЕро░ிрод்родுроЪ் роЪெро▓்ро╡родைрод் родроЯுроХ்роХிро▒родு.
  • родрог்рогீро░் родроЯ்роЯுрок்рокாроЯ்роЯைроХ் роХுро▒ைрод்родро▓்: роХோроЯை роХாро▓роЩ்роХро│ிро▓் роПро▒்рокроЯுроо் родрог்рогீро░் родроЯ்роЯுрок்рокாроЯ்роЯைроЪ் роЪрооாро│ிроХ்роХ роЙродро╡ுроХிро▒родு.

22. (роХроЯ்роЯாроп ро╡ிройா) роТро░ு роХро░ிроороЪ்роЪேро░்роороо் A роОрой்рокродрой் рооூро▓роХ்роХூро▒ு ро╡ாроп்рок்рокாроЯு \( C_2H_4O_2 \). роЗродு рокродрок்рокроЯுрод்родро▓ிро▓் рокропрой்рокроЯுроХிро▒родு. рооேро▓ுроо் роОрод்родройாро▓ுроЯрой் ро╡ிройைрокுро░ிрои்родு роЗройிроп рооройрооுроЯைроп роЪேро░்роороо் B ропை родро░ுроХிро▒родு.
1) роЪேро░்роороо் A ропை роХрог்роЯро▒ிроХ.
2) роЪேро░்роороо் B роЙро░ுро╡ாродро▓் ро╡ிройைропிройை роОро┤ுродுроХ.
3) роЗрои்роиிроХро┤்ро╡ிро▒்роХு рокெропро░ிроЯு.
An organic compound A is widely used as a preservative and has the molecular formula \( C_2H_4O_2 \). This compound reacts with ethanol to form a sweet smelling compound B.
1) Identify the compound A
2) Write the chemical equation for its reaction with ethanol to form compound B
3) Name the process

1) роЪேро░்роороо் A ропை роХрог்роЯро▒ிродро▓் (Identifying compound A):

роЪேро░்роороо் A-ропிрой் рооூро▓роХ்роХூро▒ு ро╡ாроп்рок்рокாроЯு \( C_2H_4O_2 \). роЗродு роЙрогро╡ுрок் рокродрок்рокроЯுрод்родிропாроХрок் рокропрой்рокроЯுроХிро▒родு. роЗрои்род рокрог்рокுроХро│ைроХ் роХொрог்роЯ роЪேро░்роороо் роОрод்родройாропிроХ் роЕрооிро▓роо் (роЕроЪிроЯ்роЯிроХ் роЕрооிро▓роо்) роЖроХுроо். роЕродрой் ро╡ாроп்рок்рокாроЯு: \( CH_3COOH \).

2) роЪேро░்роороо் B роЙро░ுро╡ாродро▓் ро╡ிройை (Equation for formation of compound B):

роОрод்родройாропிроХ் роЕрооிро▓роо் (A), роОрод்родройாро▓ுроЯрой் роЕроЯро░் роХрои்родроХ роЕрооிро▓род்родிрой் рооுрой்ройிро▓ைропிро▓் ро╡ிройைрокுро░ிрои்родு, роЗройிроп рокро┤ ро╡ாроЪройை роХொрог்роЯ роОро╕்роЯро░ாрой, роОрод்родிро▓் роОрод்родройோропேроЯ் (B) роР роЙро░ுро╡ாроХ்роХுроХிро▒родு.

$$ CH_3COOH \text{ (роОрод்родройாропிроХ் роЕрооிро▓роо்)} + C_2H_5OH \text{ (роОрод்родройாро▓்)} \xrightarrow{H^+} CH_3COOC_2H_5 \text{ (роОрод்родிро▓் роОрод்родройோропேроЯ்)} + H_2O $$ 3) роЗрои்роиிроХро┤்ро╡ிро▒்роХு рокெропро░ிроЯுродро▓் (Naming the process):

роЗрои்род роиிроХро┤்ро╡ிрой் рокெропро░் роОро╕்роЯро░ாроХ்роХுродро▓் ро╡ிройை (Esterification).

рокроХுродி - IV / PART - IV (2x7=14)

роХுро▒ிрок்рокு: роЕройைрод்родு ро╡ிройாроХ்роХро│ுроХ்роХுроо் ро╡ிроЯைропро│ிроХ்роХро╡ுроо். родேро╡ைропாрой роЗроЯроЩ்роХро│ிро▓் рокроЯроо் ро╡ро░ைроХ.

Note: Answer all the questions. Draw the diagram wherever necessary.

23. роЕ) роЕрогுроХ்роХро░ு роЙро▓ை роОрой்ро▒ாро▓் роОрой்рой? роЕродрой் роЗрой்ро▒ிропрооைропாрод рокாроХроЩ்роХро│ிрой் роЪெропро▓்рокாроЯுроХро│ை ро╡ிро╡ро░ிроХ்роХ.
a) What is a nuclear reactor? Explain its essential parts with their functions.

роЕрогுроХ்роХро░ு роЙро▓ை (Nuclear Reactor):

роЕрогுроХ்роХро░ு роЙро▓ை роОрой்рокродு роХроЯ்роЯுрок்рокроЯுрод்родрок்рокроЯ்роЯ родொроЯро░்ро╡ிройைропிрой் рооூро▓роо் роЕрогுроХ்роХро░ு роЖро▒்ро▒ро▓ை роЙро░ுро╡ாроХ்роХி, роЕродройைрок் рокропройுро│்ро│ роЖро▒்ро▒ро▓ாроХ (рокொродுро╡ாроХ рооிрой்роЪாро░рооாроХ) рооாро▒்ро▒ுроо் роЪாродройроо் роЖроХுроо்.

роЕрогுроХ்роХро░ு роЙро▓ைропிрой் роЗрой்ро▒ிропрооைропாрод рокாроХроЩ்роХро│்:
  1. роОро░ிрокொро░ுро│் (Fuel): роЗродு рокிро│ро╡ுроХ்роХுроЯ்рокроЯுроо் рокொро░ுро│ாроХுроо். рокொродுро╡ாроХ, ропுро░ேройிропроо்-235 роЕро▓்ро▓родு рокுро│ூроЯ்роЯோройிропроо்-239 роОро░ிрокொро░ுро│ாроХрок் рокропрой்рокроЯுрод்родрок்рокроЯுроХிро▒родு. роЗродுро╡ே роЖро▒்ро▒ро▓ை ро╡ெро│ிропிроЯுроо் рооூро▓рооாроХுроо்.
  2. родрогிрок்рокாрой் (Moderator): рокிро│ро╡ு ро╡ிройைропிро▓் роЙро░ுро╡ாроХுроо் роЕродிро╡ேроХ роиிропூроЯ்ро░ாрой்роХро│ிрой் ро╡ேроХрод்родைроХ் роХுро▒ைроХ்роХ родрогிрок்рокாрой் рокропрой்рокроЯுроХிро▒родு. рооெродுро╡ாрой роиிропூроЯ்ро░ாрой்роХро│ே родொроЯро░்ро╡ிройைропைрод் родிро▒роо்рокроЯ роиிроХро┤்род்родுроо். рокொродுро╡ாроХ, роХிро░ாроГрокைроЯ் рооро▒்ро▒ுроо் роХройроиீро░் родрогிрок்рокாрой்роХро│ாроХрок் рокропрой்рокроЯுроХிрой்ро▒рой.
  3. роХроЯ்роЯுрок்рокроЯுрод்родுроо் роХро┤ிроХро│் (Control Rods): роЗро╡ை роиிропூроЯ்ро░ாрой்роХро│ை роЙро▒ிроЮ்роЪுроо் родிро▒рой் роХொрог்роЯро╡ை. родொроЯро░்ро╡ிройைропிрой் ро╡ேроХрод்родைроХ் роХроЯ்роЯுрок்рокроЯுрод்род роЗро╡ை рокропрой்рокроЯுроХிрой்ро▒рой. роХро┤ிроХро│ை роЙро▓ைропிройுро│் роЪெро▓ுрод்родுро╡родрой் рооூро▓роо் ро╡ிройை ро╡ேроХрод்родைроХ் роХுро▒ைроХ்роХро▓ாроо், ро╡ெро│ிропே роОроЯுрок்рокродрой் рооூро▓роо் роЕродிроХро░ிроХ்роХро▓ாроо். рокோро░ாрой் рооро▒்ро▒ுроо் роХாроЯ்рооிропроо் роХро┤ிроХро│் рокொродுро╡ாроХрок் рокропрой்рокроЯுрод்родрок்рокроЯுроХிрой்ро▒рой.
  4. роХுро│ிро░்ро╡ிрок்рокாрой் (Coolant): роЙро▓ைропிрой் рооைропрок்рокроХுродிропிро▓் роЙро░ுро╡ாроХுроо் роЕродிроХрок்рокроЯிропாрой ро╡ெрок்рокрод்родை роиீроХ்роХ роХுро│ிро░்ро╡ிрок்рокாрой் рокропрой்рокроЯுроХிро▒родு. роЗрои்род ро╡ெрок்рокрод்родைроХ் роХொрог்роЯு роиீро░ை роиீро░ாро╡ிропாроХ்роХி, роЯро░்рокைрой்роХро│ைроЪ் роЪுро┤ро▒்ро▒ி рооிрой்роЪாро░роо் родропாро░ிроХ்роХрок்рокроЯுроХிро▒родு. роиீро░், роХройроиீро░் рооро▒்ро▒ுроо் родிро░ро╡ роЪோроЯிропроо் рокோрой்ро▒ро╡ை роХுро│ிро░்ро╡ிрок்рокாрой்роХро│ாроХрок் рокропрой்рокроЯுроХிрой்ро▒рой.
  5. родроЯுрок்рокுроЪ் роЪுро╡ро░் (Shielding): роЕрогுроХ்роХро░ு роЙро▓ைропிро▓ிро░ுрои்родு ро╡ெро│ிро╡ро░ுроо் роЕрокாропроХро░рооாрой роХродிро░்ро╡ீроЪ்роЪுроХро│ிро▓ிро░ுрои்родு роЪுро▒்ро▒ுрок்рокுро▒род்родைропுроо், рокрогிропாро│ро░்роХро│ைропுроо் рокாродுроХாроХ்роХ родроЯிрооройாрой роХாро░ீропроо் роЕро▓்ро▓родு роХாрой்роХிро░ீроЯ் роЪுро╡ро░்роХро│் рокропрой்рокроЯுрод்родрок்рокроЯுроХிрой்ро▒рой.
(роЕро▓்ро▓родு / OR)

роЖ) роХро░ுроо்рокுроЪ் роЪாро▒ிро▓ிро░ுрои்родு роОрод்родройாро▓் роОро╡்ро╡ாро▒ு родропாро░ிроХ்роХрок்рокроЯுроХிро▒родு?
b) How is ethanol manufactured from sugarcane?

роХро░ுроо்рокுроЪ் роЪாро▒ிро▓ிро░ுрои்родு роОрод்родройாро▓் родропாро░ிрод்родро▓் роиொродிрод்родро▓் (Fermentation) роЪெропро▓்рооுро▒ை рооூро▓роо் роироЯைрокெро▒ுроХிро▒родு. роЗродрой் рокроЯிроиிро▓ைроХро│்:
  1. роЪாро▒ு рокிро┤ிродро▓்: роХро░ுроо்рокுроХро│ை роирой்роХு роЕро░ைрод்родுроЪ் роЪாро▒ு рокிро┤ிропрок்рокроЯுроХிро▒родு. роЗрои்род роЪாро▒்ро▒ிро▓் роЪுроХ்ро░ோро╕் роОрой்ро▒ роЪро░்роХ்роХро░ை роЕродிроХ роЕро│ро╡ிро▓் роЙро│்ро│родு.
  2. роХро┤ிро╡ுрок்рокாроХு (Molasses) рокிро░ிрод்родெроЯுрод்родро▓்: роХро░ுроо்рокுроЪ் роЪாро▒ிро▓ிро░ுрои்родு роЪро░்роХ்роХро░ை рокроЯிроХроЩ்роХро│் рокிро░ிрод்родெроЯுроХ்роХрок்рокроЯ்роЯ рокிро▒роХு роОроЮ்роЪிропிро░ுроХ்роХுроо் роЕроЯро░்род்родிропாрой, роХро░ுрооைропாрой родிро░ро╡роо் роХро┤ிро╡ுрок்рокாроХு роОройрок்рокроЯுроо். роЗродிро▓் роЪுрооாро░் 30% роЪுроХ்ро░ோро╕் роЙро│்ро│родு.
  3. роиீро░்род்родро▓் (Dilution): роХро┤ிро╡ுрок்рокாроХு роЕродிроХ роЕроЯро░்род்родி роХொрог்роЯிро░ுрок்рокродாро▓், роЕродிро▓் роиீро░ைроЪ் роЪேро░்род்родு роЪро░்роХ்роХро░ைропிрой் роЪெро▒ிро╡ை 8 рооுродро▓் 10% ро╡ро░ை роХுро▒ைроХ்роХிро▒ாро░்роХро│். роЗродு роиொродிрод்родро▓ுроХ்роХு роЙроХрои்род роиிро▓ைропாроХுроо்.
  4. роиொродிрод்родро▓் (Fermentation): роиீро░்род்род роХро░ைроЪро▓ுроЯрой் роИро╕்роЯ் (Yeast) роЪேро░்роХ்роХрок்рокроЯ்роЯு, 298 K - 303 K ро╡ெрок்рокроиிро▓ைропிро▓் роЪிро▓ роиாроЯ்роХро│ுроХ்роХு роХாро▒்ро▒ிро▓்ро▓ாрооро▓் ро╡ைроХ்роХрок்рокроЯுроХிро▒родு. роИро╕்роЯிро▓் роЙро│்ро│ роЗрой்ро╡ро░்роЯேро╕் рооро▒்ро▒ுроо் роЪைрооேро╕் роОрой்ро▒ роиொродிроХро│் роЪро░்роХ்роХро░ைропை роОрод்родройாро▓ாроХ рооாро▒்ро▒ுроХிрой்ро▒рой.
    • рокроЯி 1: роЪுроХ்ро░ோро╕், роЗрой்ро╡ро░்роЯேро╕் роиொродிропாро▓் роХுро│ுроХ்роХோро╕் рооро▒்ро▒ுроо் роГрокிро░роХ்роЯோро╕ாроХ рооாро▒்ро▒рок்рокроЯுроХிро▒родு. $$ C_{12}H_{22}O_{11} + H_2O \xrightarrow{\text{Invertase}} C_6H_{12}O_6 \text{ (роХுро│ுроХ்роХோро╕்)} + C_6H_{12}O_6 \text{ (роГрокிро░роХ்роЯோро╕்)} $$
    • рокроЯி 2: роХுро│ுроХ்роХோро╕் рооро▒்ро▒ுроо் роГрокிро░роХ்роЯோро╕், роЪைрооேро╕் роиொродிропாро▓் роОрод்родройாро▓ாроХ рооாро▒்ро▒рок்рокроЯுроХிро▒родு. $$ C_6H_{12}O_6 \xrightarrow{\text{Zymase}} 2C_2H_5OH \text{ (роОрод்родройாро▓்)} + 2CO_2 $$
  5. рокிрой்ройроХ் роХாроп்роЪ்роЪி ро╡роЯிрод்родро▓் (Fractional Distillation): роиொродிрод்родро▓் рооூро▓роо் роХிроЯைроХ்роХுроо் родிро░ро╡род்родிро▓் (ро╡ாро╖்) 15-18% роОрод்родройாро▓் роЗро░ுроХ்роХுроо். роЗродройைрок் рокிрой்ройроХ் роХாроп்роЪ்роЪி ро╡роЯிрод்родро▓் рооூро▓роо் 95.5% родூроп роОрод்родройாро▓் (родிро░ுрод்родрок்рокроЯ்роЯ ро╕்рокிро░ிроЯ்) рокெро▒рок்рокроЯுроХிро▒родு. рооீродрооுро│்ро│ роиீро░ை роиீроХ்роХ, родройிрод்род роХாроп்роЪ்роЪி ро╡роЯிрод்родро▓் рооூро▓роо் 100% родூроп роОрод்родройாро▓் (родройி роЖро▓்роХро╣ாро▓்) рокெро▒рок்рокроЯுроХிро▒родு.

24. роЕ) рокро░ிрогாроород்родிро▒்роХாрой роЙрои்родுро╡ிроЪைропாроХ роЗропро▒்роХை родேро░்ро╡ு роЙро│்ро│родு. роОро╡்ро╡ாро▒ு?
a) Natural selection is a driving force for evolution. How?

роЪாро░்ро▓ро╕் роЯாро░்ро╡ிрой் рооுрой்рооொро┤ிрои்род роЗропро▒்роХை родேро░்ро╡ு роХோроЯ்рокாроЯு, рокро░ிрогாроород்родிро▒்роХாрой рооுроХ்роХிроп роЙрои்родுро╡ிроЪைропாроХுроо். роЗродு рокிрой்ро╡ро░ுроо் рокроЯிроиிро▓ைроХро│ிрой் рооூро▓роо் роЪெропро▓்рокроЯுроХிро▒родு:
  1. роЕродிроХ роЗройрок்рокெро░ுроХ்роХроо் (Overproduction): роЙропிро░ிройроЩ்роХро│் родроЩ்роХро│ிрой் ро╡ாро░ிроЪுроХро│ை роЕродிроХ роОрог்рогிроХ்роХைропிро▓் роЙро▒்рокрод்родி роЪெроп்роХிрой்ро▒рой. роЖройாро▓், роЕройைрод்родு роЙропிро░ிроХро│ுроо் роЙропிро░் рокிро┤ைрок்рокродிро▓்ро▓ை.
  2. ро╡ாро┤்роХ்роХைроХ்роХாрой рокோро░ாроЯ்роЯроо் (Struggle for Existence): роЙрогро╡ு, роЗро░ுрок்рокிроЯроо், рооро▒்ро▒ுроо் рокிро▒ родேро╡ைроХро│ுроХ்роХாроХ роЙропிро░ிройроЩ்роХро│ுроХ்роХுро│் рокோроЯ்роЯி роПро▒்рокроЯுроХிро▒родு. рооேро▓ுроо், роЕро╡ை ро╡ேроЯ்роЯைропாроЯுроо் ро╡ிро▓роЩ்роХுроХро│், роиோроп்роХро│் рооро▒்ро▒ுроо் роЪாродроХрооро▒்ро▒ роЪூро┤ро▓் рокோрой்ро▒ роХாро░рогிроХро│ாро▓ுроо் рокோро░ாроЯ ро╡ேрог்роЯிропுро│்ро│родு.
  3. ро╡ேро▒ுрокாроЯுроХро│் (Variations): роТро░ே роЪிро▒்ро▒ிройрод்родைроЪ் роЪேро░்рои்род роЙропிро░ிройроЩ்роХро│ிроЯைропே роЪிро▒ிроп ро╡ேро▒ுрокாроЯுроХро│் роХாрогрок்рокроЯுроХிрой்ро▒рой. роЗрои்род ро╡ேро▒ுрокாроЯுроХро│் рооро░рокுро╡ро┤ிропாроХ роЕроЯுрод்род родро▓ைрооுро▒ைроХ்роХுроХ் роХроЯрод்родрок்рокроЯро▓ாроо்.
  4. родроХ்роХрой роЙропிро░் рокிро┤ைрод்родро▓் (Survival of the Fittest or Natural Selection): роТро░ு роХுро▒ிрок்рокிроЯ்роЯ роЪூро┤ро▓ுроХ்роХு роПро▒்ро▒, роЪாродроХрооாрой ро╡ேро▒ுрокாроЯுроХро│ைроХ் роХொрог்роЯ роЙропிро░ிройроЩ்роХро│், рооро▒்ро▒ро╡ро▒்ро▒ை ро╡ிроЯ роЪிро▒рок்рокாроХ роЙропிро░் ро╡ாро┤்рои்родு, роЗройрок்рокெро░ுроХ்роХроо் роЪெроп்роХிрой்ро▒рой. роЪாродроХрооро▒்ро▒ ро╡ேро▒ுрокாроЯுроХро│ைроХ் роХொрог்роЯ роЙропிро░ிройроЩ்роХро│் рокроЯிрок்рокроЯிропாроХ роЕро┤ிрои்родு ро╡ிроЯுроХிрой்ро▒рой.
  5. рокுродிроп роЪிро▒்ро▒ிройроо் родோрой்ро▒ுродро▓் (Origin of New Species): родро▓ைрооுро▒ை родро▓ைрооுро▒ைропாроХ роЪாродроХрооாрой ро╡ேро▒ுрокாроЯுроХро│் роЪேроХро░ிроХ்роХрок்рокроЯுро╡родாро▓், рокро▓ роЖрог்роЯுроХро│ுроХ்роХுрок் рокிро▒роХு, роТро░ு рокுродிроп роЪிро▒்ро▒ிройроо் роЙро░ுро╡ாроХிро▒родு. роЗродுро╡ே рокро░ிрогாроороо் роЖроХுроо்.
роЗро╡்ро╡ாро▒ு, роТро░ு роЪூро┤ро▓ுроХ்роХு роПро▒்ро▒ роЙропிро░ிройроЩ்роХро│ைрод் родேро░்рои்родெроЯுрод்родு, родроХுродிропро▒்ро▒ро╡ро▒்ро▒ை роиீроХ்роХுро╡родрой் рооூро▓роо் роЗропро▒்роХை родேро░்ро╡ாройродு, рокро░ிрогாроород்родை рооுрой்ройோроХ்роХி роЪெро▓ுрод்родுроо் роТро░ு роЪроХ்родிро╡ாроп்рои்род роЙрои்родுро╡ிроЪைропாроХроЪ் роЪெропро▓்рокроЯுроХிро▒родு.
(роЕро▓்ро▓родு / OR)

роЖ) роЬீрой் роХுро│ோройிроЩ் родொро┤ிро▓்роиுроЯ்рокрод்родைрок் рокроЯрод்родுроЯрой் ро╡ிро╡ро░ி.
b) With a neat labelled diagram explain the techniques involved in gene cloning.

роЬீрой் роХுро│ோройிроЩ் (Gene Cloning):

роЬீрой் роХுро│ோройிроЩ் роЕро▓்ро▓родு рооро░рокрогு рокроЯிропெроЯுрод்родро▓் роОрой்рокродு, роТро░ு роХுро▒ிрок்рокிроЯ்роЯ рооро░рокрогுро╡ிрой் рокро▓ рокிро░родிроХро│ை (copies) роЙро░ுро╡ாроХ்роХுроо் родொро┤ிро▓்роиுроЯ்рокроо் роЖроХுроо். роЗродு рокொродுро╡ாроХ рокிро│ாро╕்рооிроЯ்роХро│ை роХроЯрод்родிроХро│ாроХрок் рокропрой்рокроЯுрод்родி рокாроХ்роЯீро░ிропாроХ்роХро│ிро▓் роЪெроп்ропрок்рокроЯுроХிро▒родு.

роЪெропро▓்рокாроЯ்роЯிрой் рокроЯிроиிро▓ைроХро│்:
  1. рооро░рокрогுро╡ைрок் рокிро░ிрод்родெроЯுрод்родро▓் (Isolation of DNA): ро╡ிро░ுроо்рокிроп рокрог்рокைроХ் роХொрог்роЯ рооро░рокрогு (Target Gene), роЯோройро░் роЪெро▓்ро▓ிрой் DNA-ро╡ிро▓ிро░ுрои்родு ро░ெро╕்роЯ்ро░ிроХ்‌ро╖рой் роОрог்роЯோроиிропூроХ்ро│ிропро╕் роОрой்ро▒ роиொродிропைрок் рокропрой்рокроЯுрод்родி ро╡ெроЯ்роЯி роОроЯுроХ்роХрок்рокроЯுроХிро▒родு.
  2. роХроЯрод்родிропைрод் родேро░்рои்родெроЯுрод்родு ро╡ெроЯ்роЯுродро▓் (Selection and cutting of vector): рокாроХ்роЯீро░ிропாро╡ிро▓ிро░ுрои்родு рокிро│ாро╕்рооிроЯ் (Plasmid) DNA (роХроЯрод்родி) рокிро░ிрод்родெроЯுроХ்роХрок்рокроЯுроХிро▒родு. рооро░рокрогுро╡ை ро╡ெроЯ்роЯрок் рокропрой்рокроЯுрод்родрок்рокроЯ்роЯ роЕродே ро░ெро╕்роЯ்ро░ிроХ்‌ро╖рой் роиொродிропைроХ் роХொрог்роЯு рокிро│ாро╕்рооிроЯ்роЯுроо் ро╡ெроЯ்роЯрок்рокроЯுроХிро▒родு.
  3. рооро▒ுроЪேро░்роХ்роХை DNA роЙро░ுро╡ாроХ்роХுродро▓் (Formation of Recombinant DNA): ро╡ெроЯ்роЯி роОроЯுроХ்роХрок்рокроЯ்роЯ ро╡ிро░ுроо்рокிроп рооро░рокрогு, ро╡ெроЯ்роЯрок்рокроЯ்роЯ рокிро│ாро╕்рооிроЯ் DNA-ро╡ுроЯрой் DNA ро▓ைроХேро╕் (DNA Ligase) роОрой்ро▒ роиொродிропைрок் рокропрой்рокроЯுрод்родி роТроЯ்роЯрок்рокроЯுроХிро▒родு. роЗро╡்ро╡ாро▒ு роЙро░ுро╡ாроХ்роХрок்рокроЯ்роЯ рокுродிроп DNA, рооро▒ுроЪேро░்роХ்роХை DNA (rDNA) роОрой роЕро┤ைроХ்роХрок்рокроЯுроХிро▒родு.
  4. роУроо்рокுропிро░் роЪெро▓்ро▓ிро▓் роЪெро▓ுрод்родுродро▓் (Transformation): роЗрои்род рооро▒ுроЪேро░்роХ்роХை DNA (rDNA рокிро│ாро╕்рооிроЯ்) роТро░ு родроХுрои்род роУроо்рокுропிро░் роЪெро▓்ро▓ுроХ்роХுро│் (рокொродுро╡ாроХ E. coli рокாроХ்роЯீро░ிропா) роЪெро▓ுрод்родрок்рокроЯுроХிро▒родு. роЗрои்род роЪெропро▓்рооுро▒ை рооро░рокрогு рооாро▒்ро▒роо் (Transformation) роОройрок்рокроЯுроо்.
  5. ро╡ро│ро░்род்родро▓் рооро▒்ро▒ுроо் родேро░்рои்родெроЯுрод்родро▓் (Cloning and Selection): рооро░рокрогு рооாро▒்ро▒роо் роЕроЯைрои்род рокாроХ்роЯீро░ிропா роЪெро▓்роХро│், роТро░ு ро╡ро│ро░்рок்рокு роКроЯроХрод்родிро▓் ро╡ро│ро░்роХ்роХрок்рокроЯுроХிрой்ро▒рой. рокாроХ்роЯீро░ிропாроХ்роХро│் роЗройрок்рокெро░ுроХ்роХроо் роЪெроп்ропுроо்рокோродு, роЕро╡ро▒்ро▒ுроЯрой் рооро▒ுроЪேро░்роХ்роХை DNA-ро╡ுроо் рокроЯிропெроЯுроХ்роХрок்рокроЯ்роЯு, ро╡ிро░ுроо்рокிроп рооро░рокрогுро╡ிрой் рокро▓ роироХро▓்роХро│் роЙро░ுро╡ாроХ்роХрок்рокроЯுроХிрой்ро▒рой. роЗродрой் рооூро▓роо் роЕрои்род рооро░рокрогு роХுро│ோройிроЩ் роЪெроп்ропрок்рокроЯுроХிро▒родு. рокிрой்ройро░், роЙро░ுрооாро▒்ро▒роо் роЕроЯைрои்род роЪெро▓்роХро│், роЙро░ுрооாро▒்ро▒роо் роЕроЯைропாрод роЪெро▓்роХро│ிроЯрооிро░ுрои்родு родроХுрои்род родேро░்ро╡ு рооுро▒ைроХро│் рооூро▓роо் рокிро░ிрод்родெроЯுроХ்роХрок்рокроЯுроХிрой்ро▒рой.
Diagram of Gene Cloning [Diagram of Gene Cloning: Showing steps like Isolation of target gene and plasmid, cutting with restriction enzyme, ligation to form rDNA, transformation into host cell (E. coli), and multiplication of host cell to produce clones.]
10th Science Question Paper 10th Science Question Paper

10th English - 2nd Mid Term Exam 2024 - Original Question Paper | Pudukkottai District

X English - Second Mid-Term Test 2024
Complete Solutions

PART - I (8x1=8)

Choose the appropriate Synonyms for the underlined words.

1. Technology is a boon to the citizens with special needs

  • a) blessing
  • b) curse
  • c) blame
  • d) praise
Answer: a) blessing

2. I forgot all about M.Hamel's ruler and how cranky he was

  • a) unusual
  • b) strange
  • c) familiar
  • d) well-known
Answer: b) strange

Choose the appropriate Antonyms for the underlined words.

3. India is home to 2.7 Crore people living with one or the other kind of disability

  • a) inability
  • b) capacity
  • c) ability
  • d) difficulty
Answer: c) ability

4. French is the most logical language

  • a) orderliness
  • b) strange
  • c) connecting
  • d) illogical
Answer: d) illogical

Choose the correct plural form of 'lorry'.

5.

  • a) lorries
  • b) lorrys
  • c) lorryes
  • d) lorrieses
Answer: a) lorries

Choose the correct expansion of the abbreviation 'CBI'.

6.

  • a) Central Bureau of investors
  • b) Central Banks of India
  • c) Control Bureau of Investigators
  • d) Central Bureau of Investigation
Answer: d) Central Bureau of Investigation

Choose the correct meaning for the idiomatic phrase 'Call on'.

7.

  • a) require
  • b) went
  • c) told
  • d) shouted
Answer: a) require (In the sense of making a formal request or demand)

Choose the correct relative pronoun.

8. Kavitha is my teacher ____ teaches us English.

  • a) which
  • b) who
  • c) whom
  • d) that
Answer: b) who

PART - I (Section - I) (3x2=6)

Answer any three of the following questions.

9. How many people in India suffer with disability?

According to the lesson, India is home to 2.7 Crore people living with one or the other kind of disability.

10. How does Kim help Alisha?

Kim is a technologist who introduces Alisha to assistive technology. She helps Alisha, who has cerebral palsy, use a voice-activated software called Dragon Dictate. This technology allows Alisha to type and communicate by speaking into a microphone, giving her a voice and independence.

11. What kind of news was put up on the bulletin board?

For the last two years, all the bad news had come from the bulletin board—the lost battles, the draft, and the orders of the commanding officer. The latest news put up on the board was an order from Berlin to teach only German in the schools of Alsace and Lorraine.

12. What was Franz sorry for?

Franz was sorry for not learning his French lessons properly. He regretted wasting his time seeking birds' eggs or going sliding on the Saar instead of paying attention in class. He felt sorry that he hardly knew how to write and would never learn his own language anymore.

Section - II (2x2=4)

Read the following sets of poetic lines and answer any two of the following.

13.

And now, if you will set us to our task,
We will serve you four and twenty hours a day!

a) Who will set the task for whom?

Humans ("you") will set the task for the machines ("us").

b) How many hours will the machines work?

The machines will work four and twenty hours a day, which means 24 hours a day.

14.

Beneath all uniforms, a single body breathes
Like ours: the land our brothers walk upon
is earth like this, in which we all shall die

a) What is found beneath all uniforms?

A single human body that breathes is found beneath all uniforms.

b) Where are we going to lie finally?

We are all going to lie in the same earth finally when we die.

15.

They, too, aware of sun and air and water,
Are fed by peaceful harvests, by war's long winter starv'd,

a) How are we fed?

We are fed by peaceful harvests.

b) Mention the season referred here.

The season referred here is winter ("war's long winter").

Section - III (4x2=8)

Answer any four of the following questions.

16. Join the sentences using the relative pronoun.
This is Varun. His father is an architect.

This is Varun, whose father is an architect.

17. Rewrite the sentence in reported speech.
Balu said, "Asia is the largest continent".

Balu said that Asia is the largest continent. (The tense does not change as it is a universal truth).

18. Change the following sentence into a Simple sentence.
The children saw the teacher and they stood up.

Seeing the teacher, the children stood up.
OR
On seeing the teacher, the children stood up.

19. Punctuate the following.
ill stand it somehow he thought

"I'll stand it somehow," he thought.

Section - IV

20. A stranger wants to go to the Bank. Guide him to reach his destination.

Map showing directions to the bank

Directions to the Bank:

Here are the step-by-step directions to reach the bank:

  1. Go straight along M.C. Road until you reach the junction.
  2. At the junction, take a right turn onto Anna Street.
  3. Walk down Anna Street for a short distance.
  4. You will find the Bank on your left-hand side, directly opposite the Park.

PART - III (Section - I) - Paragraph (1x5=5)

Answer any one of the following in a paragraph.

21. Give an account of the last day of M. Hamel in School.

On the last day of M. Hamel's school, there was an unusual and solemn atmosphere. The school was as quiet as a Sunday morning. M. Hamel was dressed in his fine green coat, frilled shirt, and embroidered black silk cap, which he wore only on inspection and prize days. The most surprising thing was the presence of the village elders sitting quietly on the back benches. They had come to thank M. Hamel for his forty years of faithful service and to show their respect for the country that was theirs no more. M. Hamel taught his last lesson with great patience and emotion. He called French the most beautiful language in the world. At the end, overcome with emotion, he could not speak but wrote on the blackboard in large letters, "Vive La France!" (Long Live France!), and dismissed the class with a gesture.

22. "Technology is a boon to the disabled." Justify.

Technology: A Boon for the Disabled

Technology is undoubtedly a significant boon to people with disabilities as it empowers them to overcome physical limitations and lead more independent and fulfilling lives. Assistive technologies act as a bridge, closing the gap between their abilities and the demands of daily life. For instance, voice recognition software like Dragon Dictate allows individuals with motor impairments to control computers and write just by speaking. Screen readers open up the digital world for the visually impaired by converting text to speech. Similarly, modern prosthetic limbs, hearing aids, and specialized mobility devices enhance physical capabilities, enabling greater participation in society. By providing tools for communication, education, and employment, technology breaks down barriers and fosters inclusion, truly transforming the lives of the disabled.

Section - II (1x4=4)

Answer any one of the following.

23. What is the central theme of the poem 'No Men Are Foreign'?

The central theme of the poem 'No Men Are Foreign' by James Kirkup is universal brotherhood and the fundamental unity of all humanity. The poet emphasizes that despite differences in nationality, language, or appearance, all human beings are essentially the same. We all walk on the same earth, breathe the same air, and are nourished by the same sun and peaceful harvests. The poem argues that the concept of 'foreign countries' and 'strange people' is an artificial one. It is a powerful plea against war and hatred, reminding us that when we wage war against others, we are ultimately harming ourselves and defiling our common home, the Earth. The poem concludes that no men are foreign, and no countries are strange.

Section - II (1x4=4)

Answer any one of the following.

24. Read the following stanza and answer the questions given below.

We can pull and haul and push and lift and drive,
We can print and plough and weave and heat and light,
We can run and race and swim and fly and dive,
We can see and hear and count and read and write!

a) Pick out the rhyming words from the above lines.

The rhyming words are drive - dive and light - write.

b) Identify the rhyme scheme employed in the above stanza.

The rhyme scheme is abab.

c) Identify the figure of speech used in the last line of the given stanza.

The figure of speech is Polysyndeton, which is the repeated use of the conjunction 'and' ("see and hear and count and read and write").

d) Pick out the words of alliteration in the second line.

The alliterated words are print and plough (repetition of the /p/ sound).

Section - III (1x5=5)

Answer any one of the following.

25. Prepare an attractive advertisement using the hints given below.

Hints: Colourful and beautiful toys - Eco - friendly - non - toxic - handy - buy one get one - discount 10% - 45 Mariamman Kovil Street, Salem.

WONDER TOYS

Where Every Toy is a Joy!

Discover a World of Fun!

  • ✨ Colourful and Beautiful Toys
  • ЁЯМ┐ 100% Eco-friendly Materials
  • ✅ Completely Non-toxic and Safe for Kids
  • ЁЯЦР️ Handy and Easy to Play With

GRAND OPENING OFFER!

BUY 1, GET 1 FREE!
+
FLAT 10% DISCOUNT on all purchases!


Visit us today!
45, Mariamman Kovil Street, Salem.

26. You are Sanjay. Your colony utilizes solar power energy to light the common areas. You find many friends of your colony forgetting to switch off lights in the common area. As a responsible citizen, write a letter to a news paper, echoing the importance to conserve and preserve electricity.

Sanjay,
12, Green View Colony,
Salem.
25th October 2024.

The Editor,
The Hindu,
Salem.

Subject: Need to Conserve and Preserve Electricity - Reg.

Sir/Madam,

Through the columns of your esteemed daily, I would like to draw the attention of the public to the urgent need for conserving electricity. Our colony has taken a commendable step by utilizing solar power to light our common areas. This is a great initiative towards sustainable living.

However, I have observed that many residents, including my friends, often forget to switch off these lights during the day or when they are not needed at night. While solar energy is renewable, the habit of wasting energy is a serious concern. Conserving electricity is crucial for preserving our resources for future generations and reducing the strain on our environment. Every unit of power saved contributes to a greener planet.

I request you to publish an article on this issue to create awareness among the public. Let us all pledge to be responsible citizens and switch off lights and appliances when not in use.

Thank you,

Yours faithfully,
Sanjay.

27. Look at the picture and express your views on it in about five sentences.

A scenic view of a hut by the water with palm trees

This picture is like a pretty drawing in a storybook! It shows a calm and quiet place, maybe when the sun is just waking up or going to sleep. See the little house? It's cozy and next to the water, with tall green palm trees all around it. There's a small boat floating gently on the water, like it's waiting for someone to go on an adventure. You can even see the trees and the sky looking back at you in the water, like a mirror! Everything looks very peaceful and beautiful, like a secret special spot in nature.

Section - IV (5)

28. Quote from memory.

From: We were taken................

To: ...................gauged to fit.

We were taken from the ore-bed and the mine,
We were melted in the furnace and the pit—
We were cast and wrought and hammered to design,
We were cut and filed and tooled and gauged to fit.

PART - IV (1x5=5)

Answer any one of the following.

PART - IV (1x5=5)

Answer any one of the following.

29. a) Hero of Holland - Peter - 8 years old - saved - dike - broke - friend - cake - small - hole - finger - dark - stood there - throughtout night - next morning people rescued - called him hero.

(OR)

b) The story is Francis Bennett - Earth Herald - bad temper - France - Phonotelephote - Bennett - reporter's room - lunch is solitude - centropolis - supplying food - m pressing a button - help of technology.

a) The Hero of Holland

The story "The Hero of Holland" is about a brave eight-year-old boy named Peter. One day, while returning home after delivering a cake to his blind friend, he noticed a small hole in the dike from which water was trickling. Understanding the grave danger that a small leak could pose to his entire village, Peter bravely stuck his finger into the hole to stop the flow. It was getting dark and cold, but he stood there courageously throughout the night, enduring the pain and fear. The next morning, people found him and quickly rescued him after repairing the dike. For his selfless act and quick thinking that saved the village from a devastating flood, Peter was celebrated and called the "Hero of Holland."


b) Francis Bennett and the Phonotelephote

The story revolves around Francis Bennett, the director of the "Earth Herald," a futuristic newspaper in 29th-century France. Bennett is a man of bad temper, living a life completely dominated by technology. His most remarkable piece of tech is the 'Phonotelephote,' a device that transmits images and sound, allowing him to have face-to-face conversations with people across the globe from his reporter's room. His life is one of solitude, even during lunch, which is supplied to him from the grand central kitchen of Centropolis through a network of pneumatic tubes, all at the press of a button. The story highlights how technology has advanced to cater to every human need, from communication to supplying food, shaping every aspect of Bennett's day.

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All Districts Question Papers With Answer Keys

ЁЯУЪ 10th English | роЖроЩ்роХிро▓роо்

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2022

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2019

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ЁЯУШ 10th Tamil

2024

  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper | Thanjavur District
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  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper With Answer Key | Thirunelveli District
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  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvannamalai District
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  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper | Erode District
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2023

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  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Tamil - 2nd Mid Term Exam 2023 - Question Paper | Ranipet District | Mr. Shankar
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  • 10th Tamil - 2nd Mid Term Exam 2023 - Question Paper | Thiruvannamalai District | Mrs. Piyari
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  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Tanjavur District | Mr. S. Jayaselvan
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  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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2022

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  • 10th Tamil - 2nd Mid Term Exam - Original Question Paper 2022 - 2023 - | Mrs. Rajalakshmi | Chennai District
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  • 10th Tamil - Second Mid Term Exam 2022 - Original Question Paper | Salem District | Mr. M. Saravanan
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  • 10th Tamil - Second Mid Term Exam 2022 - Original Question Paper | Dindigul District | Mrs. R. Radhika
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  • 10th Tamil - Second Mid Term Exam 2022 - Original Question Paper | Villupuram District | Mr. D. Anbuselvan
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  • 10th Tamil - Second Mid Term Exam 2022 - Original Question Paper | Thenkasi District | Mr. M. Sivakumar
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  • 10th Tamil - Second Mid Term Exam 2022 - Original Question Paper | Virudhunagar District | Mr. S. Senthil Kumar
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  • 10th Tamil - Second Mid Term Exam 2022 - Original Question Paper | Madurai District | Mr. Antony Prakash
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2019

  • 10th Tamil - Second Mid Term Exam 2019 - Original Question Paper | SVB
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  • 10th Tamil - Second Mid Term Exam 2019 - Original Question Paper | Shri Krishna
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  • 10th Tamil - 2nd Mid Term Test 2019 - Question Paper | Mr. Vedhanayagam
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  • 10th Tamil - Second Mid Term Exam Model Question Paper 2019 | Mr. G. Vasu
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  • 10th Tamil - Second Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
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  • 10th Tamil - Second Mid Term Exam 2019 - Original Question Paper | Virudhunagar District
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ЁЯзо 10th Maths | роХрогிродроо்

2024

  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Salem District | Mr. Gangaiamaran
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Salem District | Mr. Gangaiamaran
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Thanjavur District | Dr. A. Vennila
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Ariyalur District
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Tenkasi District | Mr. S. Johnie & Mr. Sivakumar
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper With Answer Key | Tenkasi District | Mr. S. Johnie
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Virudhunagar District | Mr. Maheswaran & Mr. Senthil Kumar
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper With Answer Key | Sivagangai District | Mr. Srishanmugam
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper with Answer Keys | Krishnagiri District | Mr. Uma Nadesh
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvannamalai District | Mrs. Piyari
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mrs. Anitha & Mr. K. Parthipan
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Pattukottai District | Mr. Thiyagu
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvarur District | Ramanujam Tuition Centre
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Dharmapuri District | Mr. Navith
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Perambalur District | Mr. K. Muruganandham
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Sivagangai District | Mr. Thiyagu
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Dindigul District | Mr. Santhosh
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Chengalpattu District | Mrs. M. Saranya
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  • 10th Maths - 2nd Mid Term Exam 2024 - Answer Key | Thiruvallur District | Mr. S. Ramesh
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvallur District | Mrs. Devi
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Theni District | Mr. M. Senthilkumar
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Theni District | Mr. M. Senthilkumar & M. Siva Bharathi & Mr. M.Abbas Manthiri
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper With Answer Key | Tiruvallur District | Mr. A. K Rajadhurai
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  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Kanchipuram District | Mrs. S. Chandrakala
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  • 10th Maths - 2nd Mid Term Test 2024 - Model Question Paper
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2023

  • 10th Maths - 2nd Mid Term Exam 2023 - Original Question Paper | Krishnagiri District | Mr. Sivanandha
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  • 10th Maths - 2nd Mid Term Exam 2023 - Question Paper with Answer Keys | Thiruvallur District | Mr. A.K. Rajadurai
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Vellore District | Mr. Amaran
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Thiruvannamalai District | Mr. E. Vikram
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Toothukudi District | Peace
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Chengalpattu District | Mrs. K. Usha
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Thenkasi District | Mr. Sivakumar
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  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Maths - 2nd Mid Term Exam 2023 - Question Paper | Tiruppur District | Mr. Kabriel
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  • 10th Maths - 2nd Mid Term Exam 2023 - Question Paper | Theni District | Mr. M. Abbas Manthiri
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2022

  • 10th Maths - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
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  • 10th Maths - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
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  • 10th Maths - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
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  • 10th Maths - 2nd Mid Term 2022 - 2023 | Original Question Paper | Thenkasi District | Mr. M. Sivakumar
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  • 10th Maths - Second Mid Term Exam 2022 - Original Question Paper | Nagapattinam District | Mr. Jose Rajesh
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  • 10th Maths - 2nd Mid Term 2022 - 2023 | Original Question Paper with Answer Keys | Salem District | Mr. S. Nandhakumar
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  • 10th Maths - 2nd Mid Term Exam - Original Question Paper with Answer Keys 2022 -2023 | Villupuram District | Mr. S. Senthil Kumar
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  • 10th Maths - 2nd Mid Term Exam - Original Question Paper 2022 - 2023 | Thiruvannamalai District | Mrs. M.S.Piyari
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  • 10th Maths - 2nd Mid Term Exam - Original Question Paper with Answer Keys - 2022 - 2023 | Thiruvallur District | Mr.A.K. Rajadurai
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  • 10th Maths - 2nd Mid Term Exam - Original Question Paper - 2022 - 2023 | Dindigul District | Mr.s. Radhika
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  • 10th Maths - 2nd Mid Term Exam 2022 - Original Question Paper | Tirupattur District | Mr.Mohammed Ali
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  • 10th Maths - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Thiruvannamalai District | Mr. N. Thandavamoorthy
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  • 10th Maths - 2nd Mid Term Exam 2022 - Original Question Paper | Salem District | Mr. M. Gangai Amaran
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  • 10th Maths - 2nd Mid Term Exam 2022 - Original Question Paper | Salem District | Mr. M. Gangai Amaran
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  • 10th Maths - 2nd Mid Term Exam 2022 - Original Question Paper | Theni District | Mr. Abbas Manthiri
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2019

  • 10th Maths - 2nd Mid Term Test 2019 - Question Paper | Tiruvallur District
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  • 10th Maths - 2nd Mid Term Test 2019 - Question Paper | Mr. S. Ravichandran
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  • 10th Maths - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Kanchipuram District | Mr. B. Balaji
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Thirunelveli District
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Trichy District
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Thiruvarur District
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  • 10th Maths - 2nd Mid Term Exam 2019 - Original Question Paper | Thiruvallur District
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  • 6th Maths - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
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ЁЯЪА 10th Science

2024

  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Thanjavur District | Dr. A. Vennila
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ariyalur District
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tenkasi District | Mr. Sivakumar
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Karur District | Mr. Sachin Kani
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Krishnagiri District
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvannamalai District | Mrs. Piyari
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  • 10th Science - 2nd Mid Term 2024 - Original Question Paper | Thiruvannamalai District | Mrs. Vanitha
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Pudukkottai District | Mr. Thiyagu & Mr. J. Harish
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Dharmapuri District | Mr. Raymond
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mrs. D. Anitha
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District | Mr. A. K. Venkatesh
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District | Mr. A. K. Venkatesh
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvarur District | Ramanujam Tuition Centre
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Dharmapuri District | Mr. Navith
    Download
  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Dindigul District | Mr. Santhosh
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Chengalpattu District | Mrs. M. Saranya
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Theni District | Mr. M.A. Senthilkumaran
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Theni District | Mr. M.A. Senthilkumaran
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District | Mr. Augustin Raj
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  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvannamalai District | Mrs. Chandrakala
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2023

  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Chengalpattu District | Mrs. K. Usha
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Thenkasi District | Mr. Sivakumar
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Science - 2nd Mid Term Exam 2023 - Question Paper | Thiruvannamalai District | Mrs. Piyari
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Thiruvannamalai District | Mrs. Vanitha
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Thiruvannamalai District | Mrs. Vanitha
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Vellore District | Mr. Amaran
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Science - 2nd Mid Term Exam 2023 - Question Paper | Theni District | Mr. M. Abbas Manthiri
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  • 10th Science - 2nd Mid Term Exam 2023 - Question Paper | Tanjore District | Mr. S. Dhanaraman
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2022

  • 10th Science - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
    Download
  • 10th Science - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
    Download
  • 10th Science - 2nd Mid Term 2022 - 2023 | Original Question Paper | Thenkasi District | Mr. M. Sivakumar
    Download
  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Thiruvannamalai District | Mr. N. Thandavamoorthy
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  • 10th Science - 2nd Mid Term 2022 - 2023 | Original Question Paper | Karur District | Mr. S. Mohan
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  • 10th Science - 2nd Mid Term Exam - Original Question Paper -2022 -2023 | Dindigul District | Mrs. R. Radhika
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  • 10th Science - 2nd Mid Term Exam - Original Question Paper 2022 - 2023 | Thiruvannamalai District | Mrs. M.S.Piyari
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  • 10th Science - 2nd Mid Term Exam - Original Question Paper 2022 - 2023 - | Mrs. Rajalakshmi | Chennai District
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  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Tirupattur District
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  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Tirupattur District
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  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Theni District | Mr. M. Abbas Manthiri
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  • 10th Science - Second Mid Term Exam Model Question Paper 2022 - 2023 | Mr. K. Elanzheiyan
    Download

2019

  • 10th Science - Second Mid Term Test Model Question Paper 2019 - 2020 | Mr. S. Mohan
    Download
  • 10th Science - Second Mid Term Test Model Question Paper 2019 - 2020 | Mr. M. Abbas Manthiri
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Kanchipuram District | Mr. B. Balaji
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
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  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Science - 2nd Mid Term Test 2019 - Question Paper | Mr. Nishanth
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  • 10th Science - 2nd Mid Term Test 2019 | Tiruvallur District
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  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
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  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
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  • 10th Science - 2nd Mid Term Test - Question Paper
    Download
  • 6th Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
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ЁЯМН 10th Social Science | роЪрооூроХ роЕро▒ிро╡ிропро▓்

2024

  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Thanjavur District | Dr. A. Vennila
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ariyalur District
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tenkasi District | Mr. Sivakumar
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Virudhunagar District | Mr. Senthil Kumar
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Krishnagiri District
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Krishnagiri District
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper with Answer Keys | Chengalpattu District | Mrs. Jhansi Aruna
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mrs. Anitha
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Pattukottai District | Mr. Thiyagu
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District | Mr. A. K. Venkatesh
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Ranipet District | Mr. A. K. Venkatesh
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  • 10th Social - 2nd Mid Term Test 2024 - Original Question Paper | Theni District | Mr. M. Senthil Kumar
    Download
  • 10th Social - 2nd Mid Term Test 2024 - Original Question Paper | Theni District | Mr. M. Senthil Kumar
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  • 10th Social - 2nd Mid Term Test 2024 - Question Paper | Chengalpattu District | Mrs. Saranya Mohan
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvannamalai District | Mrs. Piyari
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Dharmapuri District | Mr. Navith
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Dindigul District | Mr. Santhosh
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Madurai District | Mr. M. MuthuSelvam
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  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Madurai District | Mr. M. MuthuSelvam
    Download

2023

  • 10th Social Science - 2nd Mid Term Exam 2023 - Original Question Paper | Krishnagiri District | Mr. Sivanandha
    Download
  • 10th Social Science - 2nd Mid Term Exam 2023 - Original Question Paper | Krishnagiri District | Mr. Sivanandha
    Download
  • 10th Social - 2nd Mid Term Exam 2023 - Question Paper | Tiruppur District | Mr. Kabriel
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Chengalpattu District | Mrs. K. Usha
    Download
  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Toothukudi District | Peace
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Kanniyakumari District | Mr. Achu Malu
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
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  • 10th Social - 2nd Mid Term Exam 2023 - Question Paper | Thiruvannamalai District | Mrs. Piyari
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. Nithish
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. Nithish
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2022

  • 10th Social - 2nd Mid Term 2022 - 2023 | Original Question Paper | Thenkasi District | Mr. M. Sivakumar
    Download
  • 10th Social - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
    Download
  • 10th Social - 2nd Mid Term 2022 - 2023 | Original Question Paper | Ranipet District
    Download
  • 10th Social - 2nd Mid Term 2022 - 2023 | Original Question Paper | Thiruvannamalai District | Mr. M.S. Piyari
    Download
  • 10th Social - 2nd Mid Term 2022 - 2023 | Original Question Paper | Thenkasi District | Mr. M. Sivakumar
    Download
  • 10th Social - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Tirupattur District
    Download
  • 10th Social - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Social - 2nd Mid Term Exam 2022 - 2023 | Model Question Paper | Mr. V. Srihari
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2019

  • 10th Social - Second Mid Term Exam 2019 - Original Question Paper (Tiruppur District) | Mr. D. Srinivasan
    Download
  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Kanchipuram District | Mr. B. Balaji
    Download
  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Kanchipuram District | Mr. B. Balaji
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  • 10th Social Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
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  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
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  • 10th Social Science - 2nd Mid Term Test 2019 | Mr. Murugavel
    Download
  • 10th Social Science - 2nd Mid Term Test - Question Paper
    Download
  • 10th Social Science - 2nd Mid Term Test - Question Paper
    Download
  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
    Download
  • 6th Social Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
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✍️ 10th Urdu Medium | роЙро░ுродு ро╡ро┤ி

2024

  • 12th Tamil - Quarterly Exam 2024 - Answer Key - Ranipet, Vellore District | Mr. Manikandan
    Download
  • 10th Urud - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download
  • 10th Maths - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download
  • 10th Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download

2023

  • 10th Urdu - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download
  • 10th English - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download
  • 10th Maths - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download
  • 10th Science - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
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