Class 5 Interdependence of plant and animal

1. What is a biotic component? Give example.

Ans. Living things (plants and animals) are known as biotic components. Example - Tree, cow

2. What is an abiotic component? Give example.

Ans. Non-living things are known as abiotic components. Examples - air, water, and soil.

3. How do plants depend on animals?

Ans. Plants depend on animals for

         1) Carbon dioxide

         2) Pollination

         3) Dispersal 

         4) Nutrient

4. How do animals depend on plants?

Ans. Animals depend on the plant for

           1) Oxygen

           2) Food

           3) Wood for furniture

           4) Natural fibers (cotton &linen)

5. What is ecology?

Ans. The study of living things and their environment with relation is called ecology.

6. What is a food chain? Give example.

Ans. A food chain tells us who eats whom in the environment. It is a pathway how energy moves from one to another in a particular environment. Example- 

       Grass → grasshopper → Frog → Snake → Eagle

7. What is a producer? Give example

Ans. Green plants that can make their own food is called producer. Example - tree

8. What are consumers? Give example

Ans. Animals depend indirectly or directly on plants or animals for food called consumers.

        Example- cow, human 

9.  What are decomposers? Give example.

Ans. Microorganisms that break down dead animals and plants into nutrients are called decomposers.

    Examples -bacteria.

10. How do decomposers help the environment?

Ans. Decomposers decompose the dead body and mix minerals with soil for enrich.

11. What are scavengers? Give example.

Ans.  Animals that eat the dead bodies of other animals are called scavengers. Examples - vulture

12. Why are scavengers important?

Ans. Scavengers eat dead animals. also clean up surroundings with a healthy environment.

13. Write the causes of imbalance in nature.

Ans. The causes are 

       1) Deforestation   2) Forest fire  3)  Hunting     4) Increasing number of animals

14. Write the causes of deforestation?

Ans.  1) Cutting down of forest   2) No plantation  

15. Write the effects of deforestation?

Ans. 1) Increases the amount of carbon dioxide

        2) Less rainfall

        3) Soil erosion

        4) lost shelter

16.  Write the causes of hunting.

Ans. 1)Leather  2) Horn  3) Get food

17. Write the causes of forest fires.

Ans. 1) Lightning  2) Volcano eruption  3) Carelessly thrown matchstick

18. Write the effects of forest fires.

Ans. 1) Kills wild animals 

        2)  Increase air pollution ( smoke and dust)

        3)  Imbalance in nature

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