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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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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

பகுதி - I / PART - I (6x1=6)

குறிப்பு: 1) அனைத்து வினாக்களுக்கும் விடையளிக்கவும். 2) ஏற்புடைய விடையைத் தேர்ந்தெடுத்துக் குறியீட்டுடன் விடையினையும் சேர்த்து எழுதவும்.

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

1. ஒலி அலைகள் காற்றில் பரவும்போது அதன் துகள்கள்...
When a sound wave travels through air, the air particles...

  • அ) அலையின் திசையில் அதிர்வுறும் / a) Vibrate along the direction of the wave motion
  • ஆ) அதிர்வுறும் ஆனால் குறிப்பிட்ட திசையில்லை / b) Vibrate but not in any fixed direction
  • இ) அலையின் திசைக்கு செங்குத்தாக அதிர்வுறும் / c) Vibrate perpendicular to the direction of the wave motion
  • ஈ) அதிர்வுறுவதில்லை / d) Do not vibrate
விடை: அ) அலையின் திசையில் அதிர்வுறும் / a) Vibrate along the direction of the wave motion

2. கதிரியக்கத்தின் அலகு...
Unit of radioactivity is...

  • அ) ராண்ட்ஜன் / a) Roentgen
  • ஆ) கியூரி / b) Curie
  • இ) பெக்கொரல் / c) Becquerel
  • ஈ) இவை அனைத்தும் / d) All of the above
விடை: ஈ) இவை அனைத்தும் / d) All of the above

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

  • அ) சிதைவுறுதல் வினை / a) Decomposition reaction
  • ஆ) சேர்க்கைவினை / b) Combination reaction
  • இ) ஒற்றை இடப்பெயர்ச்சி வினை / c) Single displacement reaction
  • ஈ) இரட்டை இடப்பெயச்ச்சி வினை / d) Double displacement reaction
விடை: ஆ) சேர்க்கைவினை / b) Combination reaction

4. IUPAC பெயரிடுதலின்படி ஆல்டிஹைடுக்காக சேர்க்கப்படும் இரண்டாம் நிலை பின்னொட்டு...
The secondary suffix used in IUPAC nomenclature of an aldehyde is...

  • அ) ஆல் / a) -ol
  • ஆ) ஆமிக் அமிலம் / b) -omic acid
  • இ) ஏல் / c) -al
  • ஈ) அல் (Note: Tamil option is ஈ but English option is c)
விடை: இ) ஏல் / c) -al

5. பயன்பாடு மற்றும் பயன்படுத்தாமை கோட்பாட்டை முன்மொழிந்தவர்...
The use and disuse theory was proposed by...

  • அ) சார்லஸ் டார்வின் / a) Charles Darwin
  • ஆ) எர்னஸ்ட் ஹெக்கல் / b) Ernst Haeckel
  • இ) ஜீன் பாப்டிஸ்ட் லாமார்க் / c) Jean Baptiste Lamarck
  • ஈ) கிரிகர் மெண்டல் / d) Gregor Mendel
விடை: இ) ஜீன் பாப்டிஸ்ட் லாமார்க் / c) Jean Baptiste Lamarck

6. பசுமை இல்ல விளைவு என குறிப்பிடப்படுவது...
Green house effect refers to...

  • அ) பூமி குளிர்தல் / a) Cooling of earth
  • ஆ) புற ஊதா கதிர்கள் வெளியே செல்லாமல் இருத்தல் / b) Trapping of UV rays
  • இ) தாவரங்கள் பயிர் செய்தல் / c) Cultivation of plants
  • ஈ) பூமி வெப்பமாதல் / d) Warming of earth
விடை: ஈ) பூமி வெப்பமாதல் / d) Warming of earth

பகுதி - II / PART - II (5x2=10)

குறிப்பு: ஏதேனும் 5 வினாக்களுக்கு விடையளிக்கவும். ( கட்டாய வினா 14)

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

7. மீயொலியை உணரும் ஏதேனும் மூன்று விலங்குகளைக் கூறுக.
Name three animals, which can hear Ultrasonic Vibrations.

மீயொலியை உணரும் மூன்று விலங்குகள்:
  1. வௌவால் (Bat)
  2. நாய் (Dog)
  3. டால்பின் (Dolphin)

8. மீள் மற்றும் மீளா வினைகளை வேறுபடுத்துக.
Differentiate reversible and irreversible reactions.

மீள் வினை (Reversible Reaction) மீளா வினை (Irreversible Reaction)
சாதகமான சூழ்நிலையில் வினைபடு பொருட்கள் வினைவிளை பொருட்களாகவும், வினைவிளை பொருட்கள் வினைபடு பொருட்களாகவும் மாறும். வினைபடு பொருட்கள் வினைவிளை பொருட்களாக மட்டுமே மாறும்.
வினை இரு திசைகளிலும் நிகழும் (முன்னோக்கு மற்றும் பின்னோக்கு). வினை ஒரு திசையில் மட்டுமே நிகழும் (முன்னோக்கு).
இவ்வினைகள் சமநிலையை அடையும். இவ்வினைகள் சமநிலையை அடைவதில்லை.
எ.கா: \( PCl_5 \rightleftharpoons PCl_3 + Cl_2 \) எ.கா: \( C + O_2 \rightarrow CO_2 \)

9. கீழ்க்கண்ட வினாக்களுக்கு பின்வரும் தரவுகளை பயன்படுத்தி விடையளி.
கூற்று A: கடின நீரில் சோப்பை விட டிடர்ஜெண்ட்கள் சிறப்பாக செயல்புரிகின்றன
காரணம் R: டிடர்ஜெண்ட்கள் கால்சியம் மற்றும் மெக்னீசியம் உப்புக்கரை வீழ்படிவு செய்வதில்லை
Assertion A: Detergents are more effective cleaning agents than soaps in hard water
Reason R: Calcium and Magnesium salts of detergents are water soluble

விடை: 1) A மற்றும் R சரி. R, Aஐ விளக்குகிறது / a) A and R are correct R explains the A

10. ஆர்க்கியாப்டெரிக்ஸ் இணைப்பு உயிரியாக ஏன் கருதப்படுகிறது?
Why is Archaeopteryx considered to be a connecting link?

ஆர்க்கியாப்டெரிக்ஸ் ஊர்வன மற்றும் பறவைகள் ஆகிய இரு வகுப்புகளின் பண்புகளையும் பெற்றிருந்ததால், அது இணைப்பு உயிரியாகக் கருதப்படுகிறது.
  • ஊர்வனவற்றின் பண்புகள்: பற்களைக் கொண்ட அலகுகள், விரல்களில் நகங்கள், நீண்ட வால்.
  • பறவைகளின் பண்புகள்: இறகுகள், பறக்கும் திறன்.

11. லைசின் அமினோ அமிலம் செறிந்த இரண்டு மக்காசோள கலப்புயிரி வகைகளின் பெயரை எழுதுக.
Name two maize hybrids rich in amino acid lysine.

லைசின் அமினோ அமிலம் செறிந்த மக்காசோள கலப்புயிரி வகைகள்:
  1. புரோட்டினா (Protina)
  2. சக்தி (Shakti)
  3. ரத்னா (Rathna)

12. HIV பரவக்கூடிய பல்வேறு வழிகளைக் கூறுக.
What are the various routes by which transmission of HIV takes place?

HIV பரவும் வழிகள்:
  • பாதுகாப்பற்ற உடலுறவு.
  • பாதிக்கப்பட்ட இரத்தம் மற்றும் இரத்தப் பொருட்களைப் பெறுதல்.
  • சுகாதாரமற்ற முறையில் பயன்படுத்தப்பட்ட ஊசிகளைப் பகிர்தல்.
  • பாதிக்கப்பட்ட தாயிடமிருந்து சேய்க்கு கருவிலோ அல்லது தாய்ப்பால் மூலமாகவோ பரவுதல்.

13. புதைபடிவ எரிபொருள்களை நாம் ஏன் பாதுகாக்க வேண்டும்?
Why fossil fuels are to be conserved?

  • புதைபடிவ எரிபொருள்கள் புதுப்பிக்க இயலாத ஆற்றல் மூலங்கள். அவை உருவாக மில்லியன் கணக்கான ஆண்டுகள் ஆகும்.
  • இவற்றை எரிப்பதால் கார்பன் டை ஆக்சைடு போன்ற பசுமை இல்ல வாயுக்கள் வெளியேறி புவி வெப்பமயமாதலுக்கு வழிவகுக்கிறது.
  • இவை காற்று மாசுபாட்டையும், அமில மழையையும் ஏற்படுத்துகின்றன.
  • வருங்கால சந்ததியினரின் தேவைகளுக்காக இவற்றை சேமிப்பது அவசியம்.

14. (கட்டாய வினா) அலைபேசி கோபுரங்கள் மனித வாழ்விடத்திலிருந்து தொலைவில் அமைக்கப்பட வேண்டும். ஏன்?
(Compulsory) Cell phone towers should be placed far away from the residential area. Why?

அலைபேசி கோபுரங்கள் மின்காந்தக் கதிர்வீச்சை (Electromagnetic Radiation) வெளியிடுகின்றன. தொடர்ச்சியாக இந்த கதிர்வீச்சுக்கு ஆட்படுவது மனிதர்கள் மற்றும் பிற உயிரினங்களின் ஆரோக்கியத்தில் பாதிப்பை ஏற்படுத்தக்கூடும் என சில ஆய்வுகள் தெரிவிக்கின்றன. தலைவலி, சோர்வு, மற்றும் நீண்டகால ആരോഗ്യப் பிரச்சனைகள் ஏற்பட வாய்ப்புள்ளதாக நம்பப்படுவதால், முன்னெச்சரிக்கை நடவடிக்கையாக இவை குடியிருப்புப் பகுதிகளில் இருந்து தொலைவில் அமைக்கப்பட வேண்டும்.

பகுதி - III / PART - III (5x4=20)

குறிப்பு: எவையேனும் 5 வினாக்களுக்கு விடையளிக்கவும். (கட்டாய வினா 22)

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

15. இசையரங்கங்களின் மேற்கூரை வளைவாக இருப்பது ஏன்?
Explain why the ceilings of concert halls are curved.

இசையரங்கங்களின் மேற்கூரை வளைவாக வடிவமைக்கப்படுவதற்கு காரணம் பன்முக எதிரொலிப்பு (Multiple Reflection) ஆகும். வளைவான பரப்புகள் ஒலியை அரங்கத்தின் அனைத்துப் பகுதிகளுக்கும் சமமாகப் பரப்பி, எதிரொலிக்கச் செய்கின்றன. இதனால், அரங்கத்தின் ஒவ்வொரு மூலையிலும் அமர்ந்திருக்கும் பார்வையாளர்களுக்கும் ஒலி தெளிவாகவும், சமமாகவும் சென்றடைகிறது. இது ஒலிச் செறிவை அதிகரித்து, சிறந்த கேட்கும் அனுபவத்தை வழங்குகிறது.

16. வேளாண்மைத் துறையில் கதிரியக்க ரேடியோ ஐசோடோப்புகளின் பயன்கள் ஏதேனும் நான்கினை எழுதுக.
Give any four uses of radio isotopes in the field of agriculture.

  • பாஸ்பரஸ்-32 (P-32): தாவரங்கள் உரங்களை உறிஞ்சும் வீதத்தைக் கண்டறிய உதவுகிறது.
  • கார்பன்-14 (C-14): தாவரங்களில் ஒளிச்சேர்க்கை செயல்முறையை ஆய்வு செய்யப் பயன்படுகிறது.
  • கதிரியக்கக் கோபால்ட்-60 & சீசியம்-137: வெங்காயம், உருளைக்கிழங்கு போன்ற காய்கறிகள் முளைவிடுவதைத் தடுத்து, நீண்ட நாட்கள் சேமித்து வைக்க உதவுகிறது.
  • கதிர்வீச்சு முறை: பயிர்களுக்குத் தீங்கு விளைவிக்கும் பூச்சிகளை மலடாக்கி, அவற்றின் இனப்பெருக்கத்தைக் கட்டுப்படுத்தப் பயன்படுகிறது.

17. வெப்பச்சிதைவு வினைகள் என்பவை யாவை?
What are called Thermolysis reactions?

ஒரு சேர்மம் வெப்பத்தின் மூலம் சிதைக்கப்பட்டு இரண்டு அல்லது அதற்கு மேற்பட்ட எளிய பொருட்களாக மாறும் வினை, வெப்பச்சிதைவு வினை எனப்படும். இது ஒரு வெப்பம் கொள் வினையாகும்.
எடுத்துக்காட்டு: கால்சியம் கார்பனேட்டை (சுண்ணாம்புக்கல்) வெப்பப்படுத்தும்போது, அது சிதைந்து கால்சியம் ஆக்சைடு (சுட்ட சுண்ணாம்பு) மற்றும் கார்பன் டை ஆக்சைடாக மாறுகிறது.
$$ CaCO_3 (s) \xrightarrow{\Delta} CaO (s) + CO_2 (g) $$

18. வட்டார இனதாவரவியல் என்பதனை வரையறுத்து அதன் முக்கியத்துவத்தை எழுதுக.
Define Ethnobotany and write its importance.

வரையறை: ஒரு குறிப்பிட்ட பகுதியில் அல்லது இனக் குழுவைச் சேர்ந்த மக்கள், தங்களைச் சுற்றியுள்ள தாவரங்களை எவ்வாறு பாரம்பரியமாகப் பயன்படுத்துகிறார்கள் என்பதைப் பற்றி ஆராயும் அறிவியல் பிரிவு வட்டார இனதாவரவியல் (Ethnobotany) ஆகும்.
முக்கியத்துவம்:
  • பாரம்பரிய அறிவு மற்றும் தாவரப் பயன்பாடுகளை ஆவணப்படுத்த உதவுகிறது.
  • புதிய மருந்துகள் மற்றும் பயனுள்ள வேதிப்பொருட்களைக் கண்டறிய வழிவகுக்கிறது.
  • தாவரப் பல்வகைமையைப் பாதுகாப்பதன் அவசியத்தை உணர்த்துகிறது.
  • நிலையான வேளாண்மை மற்றும் வனப் பாதுகாப்புக்கு உதவுகிறது.

19. உட்கலப்பு மற்றும் வெளிக்கலப்பு வேறுபடுத்துக.
Differentiate between outbreeding and inbreeding.

உட்கலப்பு (Inbreeding) வெளிக்கலப்பு (Outbreeding)
நெருங்கிய தொடர்புடைய உயிரினங்களுக்கு இடையே நடைபெறும் கலப்பினம். தொடர்பற்ற உயிரினங்களுக்கு இடையே நடைபெறும் கலப்பினம்.
ஒத்த பண்புடைய தூய வகைகளை உருவாக்க உதவுகிறது. புதிய மற்றும் மேம்பட்ட பண்புகளைக் கொண்ட கலப்புயிரிகளை உருவாக்க உதவுகிறது.
தொடர்ச்சியான உட்கலப்பு, மரபணு பல்வகைமையைக் குறைத்து, உட்கலப்புச் சிதைவுக்கு (Inbreeding depression) வழிவகுக்கும். மரபணு பல்வகைமையை அதிகரித்து, கலப்புயிரி வீரியத்திற்கு (Hybrid vigour) வழிவகுக்கிறது.
பண்புத்திறன் பொதுவாகக் குறைகிறது. பண்புத்திறன் பொதுவாக அதிகரிக்கிறது.

20. இதயநோய்கள் ஏற்படுவதை தடுக்க மேற்கொள்ளும் முன்னெச்சரிக்கை நடவடிக்கைகளைக் கூறுக.
What precautions can be taken for preventing heart diseases.

  • சமச்சீர் உணவு: கொழுப்பு, உப்பு மற்றும் சர்க்கரை குறைந்த, நார்ச்சத்து நிறைந்த காய்கறிகள், பழங்கள் மற்றும் முழு தானியங்களை உண்ணுதல்.
  • உடற்பயிற்சி: தினமும் குறைந்தது 30 நிமிடங்கள் நடைபயிற்சி, ஓட்டம் அல்லது யோகா போன்ற உடற்பயிற்சிகளை மேற்கொள்ளுதல்.
  • புகைப்பிடித்தல் மற்றும் மது அருந்துதலைத் தவிர்த்தல்: இவை இதயத்திற்கு தீங்கு விளைவிக்கும் முக்கிய காரணிகளாகும்.
  • உடல் எடையைச் சீராகப் பராமரித்தல்: அதிக உடல் எடை இதயத்திற்கு கூடுதல் சுமையை அளிக்கும்.
  • மன அழுத்தத்தைக் குறைத்தல்: தியானம், யோகா மற்றும் பொழுதுபோக்கு அம்சங்கள் மூலம் மன அழுத்தத்தைக் கட்டுப்படுத்துதல்.
  • முறையான மருத்துவப் பரிசோதனை: இரத்த அழுத்தம், கொலஸ்ட்ரால் மற்றும் சர்க்கரை அளவை சீரான இடைவெளியில் பரிசோதித்தல்.

21. மழைநீர் சேமிப்பின் முக்கியத்துவங்கள் யாவை?
What is the importance of rainwater harvesting?

  • நிலத்தடி நீர் மட்டத்தை உயர்த்துதல்: சேமிக்கப்படும் மழைநீர் நிலத்தில் ஊடுருவி, நிலத்தடி நீர் மட்டத்தை அதிகரிக்கச் செய்கிறது.
  • தண்ணீர்த் தேவையைப் பூர்த்தி செய்தல்: சேமித்த மழைநீரை குடிநீர் அல்லாத தேவைகளுக்கு (தோட்டம், கழிவறை) பயன்படுத்தலாம்.
  • வெள்ளப்பெருக்கைக் கட்டுப்படுத்துதல்: மழைநீர் ஓடிச் சென்று சாக்கடைகளில் கலப்பதைத் தடுத்து, நகர்ப்புற வெள்ளப்பெருக்கைக் குறைக்கிறது.
  • மண்ணரிப்பைத் தடுத்தல்: வேகமாக ஓடும் மழைநீர் மேல்மண்ணை அரித்துச் செல்வதைத் தடுக்கிறது.
  • தண்ணீர் தட்டுப்பாட்டைக் குறைத்தல்: கோடை காலங்களில் ஏற்படும் தண்ணீர் தட்டுப்பாட்டைச் சமாளிக்க உதவுகிறது.

22. (கட்டாய வினா) ஒரு கரிமச்சேர்மம் A என்பதன் மூலக்கூறு வாய்ப்பாடு \( C_2H_4O_2 \). இது பதப்படுத்தலில் பயன்படுகிறது. மேலும் எத்தனாலுடன் வினைபுரிந்து இனிய மனமுடைய சேர்மம் B யை தருகிறது.
1) சேர்மம் A யை கண்டறிக.
2) சேர்மம் B உருவாதல் வினையினை எழுதுக.
3) இந்நிகழ்விற்கு பெயரிடு.
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) சேர்மம் A யை கண்டறிதல் (Identifying compound A):

சேர்மம் A-யின் மூலக்கூறு வாய்ப்பாடு \( C_2H_4O_2 \). இது உணவுப் பதப்படுத்தியாகப் பயன்படுகிறது. இந்த பண்புகளைக் கொண்ட சேர்மம் எத்தனாயிக் அமிலம் (அசிட்டிக் அமிலம்) ஆகும். அதன் வாய்ப்பாடு: \( CH_3COOH \).

2) சேர்மம் B உருவாதல் வினை (Equation for formation of compound B):

எத்தனாயிக் அமிலம் (A), எத்தனாலுடன் அடர் கந்தக அமிலத்தின் முன்னிலையில் வினைபுரிந்து, இனிய பழ வாசனை கொண்ட எஸ்டரான, எத்தில் எத்தனோயேட் (B) ஐ உருவாக்குகிறது.

$$ CH_3COOH \text{ (எத்தனாயிக் அமிலம்)} + C_2H_5OH \text{ (எத்தனால்)} \xrightarrow{H^+} CH_3COOC_2H_5 \text{ (எத்தில் எத்தனோயேட்)} + H_2O $$ 3) இந்நிகழ்விற்கு பெயரிடுதல் (Naming the process):

இந்த நிகழ்வின் பெயர் எஸ்டராக்குதல் வினை (Esterification).

பகுதி - IV / PART - IV (2x7=14)

குறிப்பு: அனைத்து வினாக்களுக்கும் விடையளிக்கவும். தேவையான இடங்களில் படம் வரைக.

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

23. அ) அணுக்கரு உலை என்றால் என்ன? அதன் இன்றியமையாத பாகங்களின் செயல்பாடுகளை விவரிக்க.
a) What is a nuclear reactor? Explain its essential parts with their functions.

அணுக்கரு உலை (Nuclear Reactor):

அணுக்கரு உலை என்பது கட்டுப்படுத்தப்பட்ட தொடர்வினையின் மூலம் அணுக்கரு ஆற்றலை உருவாக்கி, அதனைப் பயனுள்ள ஆற்றலாக (பொதுவாக மின்சாரமாக) மாற்றும் சாதனம் ஆகும்.

அணுக்கரு உலையின் இன்றியமையாத பாகங்கள்:
  1. எரிபொருள் (Fuel): இது பிளவுக்குட்படும் பொருளாகும். பொதுவாக, யுரேனியம்-235 அல்லது புளூட்டோனியம்-239 எரிபொருளாகப் பயன்படுத்தப்படுகிறது. இதுவே ஆற்றலை வெளியிடும் மூலமாகும்.
  2. தணிப்பான் (Moderator): பிளவு வினையில் உருவாகும் அதிவேக நியூட்ரான்களின் வேகத்தைக் குறைக்க தணிப்பான் பயன்படுகிறது. மெதுவான நியூட்ரான்களே தொடர்வினையைத் திறம்பட நிகழ்த்தும். பொதுவாக, கிராஃபைட் மற்றும் கனநீர் தணிப்பான்களாகப் பயன்படுகின்றன.
  3. கட்டுப்படுத்தும் கழிகள் (Control Rods): இவை நியூட்ரான்களை உறிஞ்சும் திறன் கொண்டவை. தொடர்வினையின் வேகத்தைக் கட்டுப்படுத்த இவை பயன்படுகின்றன. கழிகளை உலையினுள் செலுத்துவதன் மூலம் வினை வேகத்தைக் குறைக்கலாம், வெளியே எடுப்பதன் மூலம் அதிகரிக்கலாம். போரான் மற்றும் காட்மியம் கழிகள் பொதுவாகப் பயன்படுத்தப்படுகின்றன.
  4. குளிர்விப்பான் (Coolant): உலையின் மையப்பகுதியில் உருவாகும் அதிகப்படியான வெப்பத்தை நீக்க குளிர்விப்பான் பயன்படுகிறது. இந்த வெப்பத்தைக் கொண்டு நீரை நீராவியாக்கி, டர்பைன்களைச் சுழற்றி மின்சாரம் தயாரிக்கப்படுகிறது. நீர், கனநீர் மற்றும் திரவ சோடியம் போன்றவை குளிர்விப்பான்களாகப் பயன்படுகின்றன.
  5. தடுப்புச் சுவர் (Shielding): அணுக்கரு உலையிலிருந்து வெளிவரும் அபாயகரமான கதிர்வீச்சுகளிலிருந்து சுற்றுப்புறத்தையும், பணியாளர்களையும் பாதுகாக்க தடிமனான காரீயம் அல்லது கான்கிரீட் சுவர்கள் பயன்படுத்தப்படுகின்றன.
(அல்லது / OR)

ஆ) கரும்புச் சாறிலிருந்து எத்தனால் எவ்வாறு தயாரிக்கப்படுகிறது?
b) How is ethanol manufactured from sugarcane?

கரும்புச் சாறிலிருந்து எத்தனால் தயாரித்தல் நொதித்தல் (Fermentation) செயல்முறை மூலம் நடைபெறுகிறது. இதன் படிநிலைகள்:
  1. சாறு பிழிதல்: கரும்புகளை நன்கு அரைத்துச் சாறு பிழியப்படுகிறது. இந்த சாற்றில் சுக்ரோஸ் என்ற சர்க்கரை அதிக அளவில் உள்ளது.
  2. கழிவுப்பாகு (Molasses) பிரித்தெடுத்தல்: கரும்புச் சாறிலிருந்து சர்க்கரை படிகங்கள் பிரித்தெடுக்கப்பட்ட பிறகு எஞ்சியிருக்கும் அடர்த்தியான, கருமையான திரவம் கழிவுப்பாகு எனப்படும். இதில் சுமார் 30% சுக்ரோஸ் உள்ளது.
  3. நீர்த்தல் (Dilution): கழிவுப்பாகு அதிக அடர்த்தி கொண்டிருப்பதால், அதில் நீரைச் சேர்த்து சர்க்கரையின் செறிவை 8 முதல் 10% வரை குறைக்கிறார்கள். இது நொதித்தலுக்கு உகந்த நிலையாகும்.
  4. நொதித்தல் (Fermentation): நீர்த்த கரைசலுடன் ஈஸ்ட் (Yeast) சேர்க்கப்பட்டு, 298 K - 303 K வெப்பநிலையில் சில நாட்களுக்கு காற்றில்லாமல் வைக்கப்படுகிறது. ஈஸ்டில் உள்ள இன்வர்டேஸ் மற்றும் சைமேஸ் என்ற நொதிகள் சர்க்கரையை எத்தனாலாக மாற்றுகின்றன.
    • படி 1: சுக்ரோஸ், இன்வர்டேஸ் நொதியால் குளுக்கோஸ் மற்றும் ஃபிரக்டோஸாக மாற்றப்படுகிறது. $$ C_{12}H_{22}O_{11} + H_2O \xrightarrow{\text{Invertase}} C_6H_{12}O_6 \text{ (குளுக்கோஸ்)} + C_6H_{12}O_6 \text{ (ஃபிரக்டோஸ்)} $$
    • படி 2: குளுக்கோஸ் மற்றும் ஃபிரக்டோஸ், சைமேஸ் நொதியால் எத்தனாலாக மாற்றப்படுகிறது. $$ C_6H_{12}O_6 \xrightarrow{\text{Zymase}} 2C_2H_5OH \text{ (எத்தனால்)} + 2CO_2 $$
  5. பின்னக் காய்ச்சி வடித்தல் (Fractional Distillation): நொதித்தல் மூலம் கிடைக்கும் திரவத்தில் (வாஷ்) 15-18% எத்தனால் இருக்கும். இதனைப் பின்னக் காய்ச்சி வடித்தல் மூலம் 95.5% தூய எத்தனால் (திருத்தப்பட்ட ஸ்பிரிட்) பெறப்படுகிறது. மீதமுள்ள நீரை நீக்க, தனித்த காய்ச்சி வடித்தல் மூலம் 100% தூய எத்தனால் (தனி ஆல்கஹால்) பெறப்படுகிறது.

24. அ) பரிணாமத்திற்கான உந்துவிசையாக இயற்கை தேர்வு உள்ளது. எவ்வாறு?
a) Natural selection is a driving force for evolution. How?

சார்லஸ் டார்வின் முன்மொழிந்த இயற்கை தேர்வு கோட்பாடு, பரிணாமத்திற்கான முக்கிய உந்துவிசையாகும். இது பின்வரும் படிநிலைகளின் மூலம் செயல்படுகிறது:
  1. அதிக இனப்பெருக்கம் (Overproduction): உயிரினங்கள் தங்களின் வாரிசுகளை அதிக எண்ணிக்கையில் உற்பத்தி செய்கின்றன. ஆனால், அனைத்து உயிரிகளும் உயிர் பிழைப்பதில்லை.
  2. வாழ்க்கைக்கான போராட்டம் (Struggle for Existence): உணவு, இருப்பிடம், மற்றும் பிற தேவைகளுக்காக உயிரினங்களுக்குள் போட்டி ஏற்படுகிறது. மேலும், அவை வேட்டையாடும் விலங்குகள், நோய்கள் மற்றும் சாதகமற்ற சூழல் போன்ற காரணிகளாலும் போராட வேண்டியுள்ளது.
  3. வேறுபாடுகள் (Variations): ஒரே சிற்றினத்தைச் சேர்ந்த உயிரினங்களிடையே சிறிய வேறுபாடுகள் காணப்படுகின்றன. இந்த வேறுபாடுகள் மரபுவழியாக அடுத்த தலைமுறைக்குக் கடத்தப்படலாம்.
  4. தக்கன உயிர் பிழைத்தல் (Survival of the Fittest or Natural Selection): ஒரு குறிப்பிட்ட சூழலுக்கு ஏற்ற, சாதகமான வேறுபாடுகளைக் கொண்ட உயிரினங்கள், மற்றவற்றை விட சிறப்பாக உயிர் வாழ்ந்து, இனப்பெருக்கம் செய்கின்றன. சாதகமற்ற வேறுபாடுகளைக் கொண்ட உயிரினங்கள் படிப்படியாக அழிந்து விடுகின்றன.
  5. புதிய சிற்றினம் தோன்றுதல் (Origin of New Species): தலைமுறை தலைமுறையாக சாதகமான வேறுபாடுகள் சேகரிக்கப்படுவதால், பல ஆண்டுகளுக்குப் பிறகு, ஒரு புதிய சிற்றினம் உருவாகிறது. இதுவே பரிணாமம் ஆகும்.
இவ்வாறு, ஒரு சூழலுக்கு ஏற்ற உயிரினங்களைத் தேர்ந்தெடுத்து, தகுதியற்றவற்றை நீக்குவதன் மூலம் இயற்கை தேர்வானது, பரிணாமத்தை முன்னோக்கி செலுத்தும் ஒரு சக்திவாய்ந்த உந்துவிசையாகச் செயல்படுகிறது.
(அல்லது / OR)

ஆ) ஜீன் குளோனிங் தொழில்நுட்பத்தைப் படத்துடன் விவரி.
b) With a neat labelled diagram explain the techniques involved in gene cloning.

ஜீன் குளோனிங் (Gene Cloning):

ஜீன் குளோனிங் அல்லது மரபணு படியெடுத்தல் என்பது, ஒரு குறிப்பிட்ட மரபணுவின் பல பிரதிகளை (copies) உருவாக்கும் தொழில்நுட்பம் ஆகும். இது பொதுவாக பிளாஸ்மிட்களை கடத்திகளாகப் பயன்படுத்தி பாக்டீரியாக்களில் செய்யப்படுகிறது.

செயல்பாட்டின் படிநிலைகள்:
  1. மரபணுவைப் பிரித்தெடுத்தல் (Isolation of DNA): விரும்பிய பண்பைக் கொண்ட மரபணு (Target Gene), டோனர் செல்லின் DNA-விலிருந்து ரெஸ்ட்ரிக்‌ஷன் எண்டோநியூக்ளியஸ் என்ற நொதியைப் பயன்படுத்தி வெட்டி எடுக்கப்படுகிறது.
  2. கடத்தியைத் தேர்ந்தெடுத்து வெட்டுதல் (Selection and cutting of vector): பாக்டீரியாவிலிருந்து பிளாஸ்மிட் (Plasmid) DNA (கடத்தி) பிரித்தெடுக்கப்படுகிறது. மரபணுவை வெட்டப் பயன்படுத்தப்பட்ட அதே ரெஸ்ட்ரிக்‌ஷன் நொதியைக் கொண்டு பிளாஸ்மிட்டும் வெட்டப்படுகிறது.
  3. மறுசேர்க்கை DNA உருவாக்குதல் (Formation of Recombinant DNA): வெட்டி எடுக்கப்பட்ட விரும்பிய மரபணு, வெட்டப்பட்ட பிளாஸ்மிட் DNA-வுடன் DNA லைகேஸ் (DNA Ligase) என்ற நொதியைப் பயன்படுத்தி ஒட்டப்படுகிறது. இவ்வாறு உருவாக்கப்பட்ட புதிய DNA, மறுசேர்க்கை DNA (rDNA) என அழைக்கப்படுகிறது.
  4. ஓம்புயிர் செல்லில் செலுத்துதல் (Transformation): இந்த மறுசேர்க்கை DNA (rDNA பிளாஸ்மிட்) ஒரு தகுந்த ஓம்புயிர் செல்லுக்குள் (பொதுவாக E. coli பாக்டீரியா) செலுத்தப்படுகிறது. இந்த செயல்முறை மரபணு மாற்றம் (Transformation) எனப்படும்.
  5. வளர்த்தல் மற்றும் தேர்ந்தெடுத்தல் (Cloning and Selection): மரபணு மாற்றம் அடைந்த பாக்டீரியா செல்கள், ஒரு வளர்ப்பு ஊடகத்தில் வளர்க்கப்படுகின்றன. பாக்டீரியாக்கள் இனப்பெருக்கம் செய்யும்போது, அவற்றுடன் மறுசேர்க்கை DNA-வும் படியெடுக்கப்பட்டு, விரும்பிய மரபணுவின் பல நகல்கள் உருவாக்கப்படுகின்றன. இதன் மூலம் அந்த மரபணு குளோனிங் செய்யப்படுகிறது. பின்னர், உருமாற்றம் அடைந்த செல்கள், உருமாற்றம் அடையாத செல்களிடமிருந்து தகுந்த தேர்வு முறைகள் மூலம் பிரித்தெடுக்கப்படுகின்றன.
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
  • 🌿 100% Eco-friendly Materials
  • ✅ Completely Non-toxic and Safe for Kids
  • 🖐️ 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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  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper | Thiruvallur District
    Download | Answer Key
  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper | Theni District
    Download | Answer Key
  • 10th Tamil - 2nd Mid Term Exam 2024 - Original Question Paper | Erode District
    Download | Answer Key

2023

  • 10th Tamil - 2nd Mid Term Exam 2023 - Question Paper with Answer Keys | Vellore District | Mrs. Uma
    Download
  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Chengalpattu District | Ms. Singh
    Download
  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
    Download
  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Thenaksi District | Mr. Sivakumar
    Download
  • 10th Tamil - 2nd Mid Term Exam 2023 - Question Paper | Ranipet District | Mr. Shankar
    Download
  • 10th Tamil - 2nd Mid Term Exam 2023 - Question Paper | Thiruvannamalai District | Mrs. Piyari
    Download
  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Tanjavur District | Mr. S. Jayaselvan
    Download
  • 10th Tamil - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. A. Mohammed Ali
    Download

2022

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

2019

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

2024

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

2023

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

2022

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

2019

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

2024

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

2023

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

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
    Download
  • 10th Science - 2nd Mid Term 2022 - 2023 | Original Question Paper | Karur District | Mr. S. Mohan
    Download
  • 10th Science - 2nd Mid Term Exam - Original Question Paper -2022 -2023 | Dindigul District | Mrs. R. Radhika
    Download
  • 10th Science - 2nd Mid Term Exam - Original Question Paper 2022 - 2023 | Thiruvannamalai District | Mrs. M.S.Piyari
    Download
  • 10th Science - 2nd Mid Term Exam - Original Question Paper 2022 - 2023 - | Mrs. Rajalakshmi | Chennai District
    Download
  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Tirupattur District
    Download
  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Tirupattur District
    Download
  • 10th Science - 2nd Mid Term Exam 2022 - 2023 | Original Question Paper | Theni District | Mr. M. Abbas Manthiri
    Download
  • 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
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
    Download
  • 10th Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
    Download
  • 10th Science - 2nd Mid Term Test 2019 - Question Paper | Mr. Nishanth
    Download
  • 10th Science - 2nd Mid Term Test 2019 | Tiruvallur District
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
    Download
  • 10th Science - 2nd Mid Term Exam 2019 - Original Question Paper | Dharmapuri District
    Download
  • 10th Science - 2nd Mid Term Test - Question Paper
    Download
  • 6th Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
    Download
🌍 10th Social Science | சமூக அறிவியல்

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
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Krishnagiri District
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper | Krishnagiri District
    Download
  • 10th Social Science - 2nd Mid Term Exam 2024 - Original Question Paper with Answer Keys | Chengalpattu District | Mrs. Jhansi Aruna
    Download
  • 10th Social 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 | 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
    Download
  • 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
    Download
  • 10th Social - 2nd Mid Term Test 2024 - Question Paper | Chengalpattu District | Mrs. Saranya Mohan
    Download
  • 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
    Download
  • 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
    Download
  • 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
    Download
  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Kanniyakumari District | Mr. Achu Malu
    Download
  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
    Download
  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Virudhunagar District | Mr. Senthil Kumar
    Download
  • 10th Social - 2nd Mid Term Exam 2023 - Question Paper | Thiruvannamalai District | Mrs. Piyari
    Download
  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. Nithish
    Download
  • 10th Social - 2nd Mid Term Test 2023 - Question Paper | Tirupattur District | Mr. Nithish
    Download

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
    Download
  • 10th Social - 2nd Mid Term Exam 2022 - 2023 | Model Question Paper | Mr. V. Srihari
    Download

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
    Download
  • 10th Social Science - 2nd Mid Term Test 2019 - Question Paper | Vellore District | Mrs. Anitha
    Download
  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
    Download
  • 10th Social - 2nd Mid Term Exam 2019 - Original Question Paper | Namakkal District
    Download
  • 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
    Download
✍️ 10th Urdu Medium | உருது வழி

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