6th Science - Term 1 Exam 2024 - Original Question Paper | Krishnagiri District

6th Science - Term 1 Exam 2024 - Solved Question Paper | Krishnagiri District

Part I: Choose the correct answer (10 x 1 = 10)

1. Conversion of 7m into cm gives __________.

• a) 70cm
• b) 7cm
• c) 700 cm
• d) 7000 cm

2. Which among the following is an oscillatory motion?

• a) Rotation of the earth about its axis
• b) Revolution of the moon about the earth
• c) To and fro movement of a vibrating string
• d) all of these

3. __________ is not made of matter.

• a) Gold ring
• b) Iron nail
• c) Light ray
• d) Oil drop

4. Among the following __________ not a mixture.

• a) coffee with milk
• b) lemon juice
• c) water
• d) ice cream embedded with nuts

5. The important function of stomata is __________.

• a) conduction
• b) transpiration
• c) photosynthesis
• d) absorption

6. The habitat of water hyacinth is __________.

• a) aquatic
• b) terrestrial
• c) desert
• d) mountain

7. The study of living beings or organisms is called __________.

• a) Psychology
• b) Biology
• c) Zoology
• d) Botany

8. Lizards breathe through their __________.

• a) skin
• b) gills
• c) lungs
• d) trachea

9. Scurvy is caused due to the deficiency of __________.

• a) Vitamin A
• b) Vitamin B
• c) Vitamin C
• d) Vitamin D

10. Who is the father of computer?

• a) Martin Luther King
• b) Graham Bell
• c) Charlie chaplin
• d) Charles Babbage

Part II: Answer the following (Any 15) (15 x 2 = 30)

11. State true or false.

a) Length of the's chest can be measured using metre scale.

True.

b) The SI system of units is accepted everywhere in the world.

True.

12. What is the SI unit of mass?

The SI unit of mass is the kilogram (kg).

13. Complete the analogy.

a) Kicking a ball : contact force :: falling of leaf : __________?

non-contact force (or gravitational force)

b) Distance : metre :: speed : __________?

metre/second (m/s)

14. Fill in the blanks.

a) Matter is made up of __________.

atoms

b) Chillies are removed from `upma` by __________ method.

handpicking

15. Define the term habitat.

A habitat is a natural home or environment of an animal, plant, or other organism. It provides the organism with food, water, shelter and a place to reproduce.

16. Match the following.

a) Mountain - Himalayas

b) Desert - Dry place

c) Stem - Branches

d) Photosynthesis - Leaves

17. State true or false.

a) Root is modified into spines.

False. (In plants like cactus, leaves are modified into spines to reduce water loss).

b) Green plants need Sunlight.

True.

18. Complete the following.

a) The breathing organ of a fish is known as __________.

gills

b) Camel stores __________ in its hump.

fat

19. Name the locomotory organ of Amoeba.

The locomotory organ of Amoeba is Pseudopodia (false feet).

20. What are the body parts of a snake?

A snake's body consists of a head, trunk, and tail. It is covered with scales and has a long, flexible backbone (vertebrae) and many ribs. They do not have limbs.

21. Complete the analogy.

a) Rice : Carbohydrate :: Pulses : __________

Proteins

b) Vitamin D : Rickets :: Vitamin C : __________

Scurvy

22. Match the following.

a) Vitamin A - Night blindness

b) Vitamin B - Beri beri

c) Vitamin C - Scurvy

d) Vitamin D - Rickets

23. Define balanced diet.

A balanced diet is a diet that contains differing kinds of foods in certain quantities and proportions so that the requirement for calories, proteins, minerals, vitamins and alternative nutrients is adequate.

24. Mention any two viral diseases.

Two viral diseases are: Common Cold and Influenza (Flu).

25. What is a computer?

A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.

26. Fill in the blanks.

a) Data is __________ information.

unprocessed raw facts and figures

b) __________ is the device that uses index number.

Mouse (The "index number" likely refers to the pointer or cursor on the screen).

27. State true or false.

a) Computer is an electronic device.

True.

b) Sir Isaac Newton invented computer.

False. (Charles Babbage is considered the "Father of the Computer").

28. Arrange the following in the increasing order of unit. 1 metre, 1 centimetre, 1 kilometre and 1 millimetre.

1 millimetre, 1 centimetre, 1 metre, 1 kilometre.

29. Rotation of the earth is a periodic motion. Justify.

Yes, the rotation of the Earth is a periodic motion. This is because it repeats itself at regular intervals of time. The Earth completes one full rotation on its axis in approximately 24 hours, and this cycle repeats consistently every day.

30. Why do we separate mixtures?

We separate mixtures for the following reasons:

• To remove harmful or undesirable components.
• To obtain useful components.
• To obtain a substance in its pure form.

Part III: Answer briefly (Any 4) (4 x 5 = 20)

31. Tabulate the vitamins and their corresponding deficiency diseases.

Vitamin	Deficiency Disease
Vitamin A	Night blindness
Vitamin B	Beri-beri
Vitamin C	Scurvy
Vitamin D	Rickets
Vitamin E	Sterility
Vitamin K	Haemorrhage (Failure of blood to clot)

32. List out the plants present in your school garden.

(This is a sample answer, as it depends on the specific school garden.)

Common plants found in a school garden are:

• Flowering Plants: Rose, Hibiscus, Jasmine, Marigold.
• Trees: Neem Tree, Mango Tree, Banyan Tree.
• Herbs: Tulsi (Holy Basil), Mint.
• Vegetables: Tomato, Brinjal, Chilli.

33. The distance between your school and your house is 2250m. Express this distance in kilometre.

We know that 1 kilometre (km) = 1000 metres (m).

To convert metres to kilometres, we divide by 1000.

Distance in km = 2250 / 1000

Distance = 2.25 km

34. Complete the map by filling the blanks.

Habitat is divided into two main types:

1. Aquatic
   • Fresh water (Example: River, Lake, Pond)
   • Marine (Example: Ocean, Sea)
2. Terrestrial
   • (Example: Grass land, Forest, Desert)

35. What is motion? Classify different types of motion with examples.

Motion: The change in the position of an object with respect to time is called motion.

Types of Motion:

• Linear Motion: Motion along a straight line. (e.g., A car moving on a straight road).
• Circular Motion: Motion along a circular path. (e.g., The motion of a satellite around the Earth).
• Oscillatory Motion: Repetitive to and fro motion about a mean position. (e.g., The motion of a swing).
• Random Motion: Motion that is irregular and unpredictable. (e.g., The movement of a flying bee).

36. Match the following.

a) First generation computer - Vacuum tubes

b) Second generation computer - Transistor

c) Third generation computer - Integrated circuit

d) Fourth generation computer - Microprocessor

e) Fifth generation computer - Artificial intelligence