Class 3 Science Living and Non-Living Things

Class 3 Science Living and Non-Living Things worksheet with complete answers. Includes MCQs, true or false, fill in the blanks, matching, short and long answer questions.

 

A. Let's Recall

Tick (✓) the right answer.

1. Fish breathe with the help of their __________.
(a) lungs (b) skin (c) gills ✓ (d) gills and skin both

2. Plants take in air with the help of __________.
(a) stomata ✓ (b) fruits (c) flower (d) roots

3. It can move on its own __________.
(a) Car (b) Lion ✓ (c) Door (d) Pen

4. Which one of the following can reproduce?
(a) Hen ✓ (b) Stone (c) Book (d) Radio

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B. Write 'T' for True and 'F' for False statements.

1. Woman gives birth to a baby. — True (T)
2. Living things occupy space whereas non-living things does not. — False (F)
3. Hen give birth to young ones by laying eggs. — True (T)
4. Pen and pencil can move on their own. — False (F)
5. Living things have a fixed lifespan. — True (T)

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C. Fill in the blanks with appropriate words.

1. Plants breathe through tiny pores called stomata.
2. Human beings, plants and animals are living things.
3. The approximate lifespan of a parrot is 50 years.
4. Sunflower turns towards the Sun.

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D. Match the following.

Column A	Column B
1. Plants	(b) Stomata
2. Fish	(d) Gills
3. Dog	(a) Puppy
4. Birds	(c) Eggs

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A. Short Answer Questions

1. What are living and non-living things?

Answer: Living things are things that need food, water and air, grow, move, reproduce and die. Non-living things do not have these characteristics.

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2. How do plants reproduce?

Answer: Plants reproduce through seeds. Seeds grow into new plants.

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3. What is the lifespan of a dog?

Answer: The approximate lifespan of a dog is 13 years.

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B. Long Answer Questions

1. How do plants breathe?

Answer: Plants breathe through tiny pores on their leaves called stomata. These pores help plants take in air and release gases.

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2. What are the similarities between living and non-living things?

Answer: Living and non-living things:

• Occupy space.
• Have weight.
• Are affected by heat, cold and rain.

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C. HOTS Questions

1. Clouds can move and grow. Are they living things?

Answer: No. Clouds are non-living because they do not need food, water or air, cannot reproduce and do not have life.

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2. Why are plants considered as living things even if they don't move?

Answer: Plants are living things because they need food, water and air, breathe, grow, reproduce and die. Some plants also show movement, such as the touch-me-not plant.

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Complete Answer Key

A. MCQs

1. (c) Gills
2. (a) Stomata
3. (b) Lion
4. (a) Hen

B. True/False

1. T
2. F
3. T
4. F
5. T

C. Fill in the Blanks

1. Stomata
2. Living
3. 50
4. Sunflower

D. Match

1 → (b) Stomata
2 → (d) Gills
3 → (a) Puppy
4 → (c) Eggs