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Which of the following constitute a food...

Which of the following constitute a food-chain?

A

Grass. Wheat and mango

B

Grass, goat and humen

C

Grass, cow and elephant

D

Grass, fish and goat

Text Solution

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The correct Answer is:
b
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LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
  1. Give any two ways in which non-biodegradable substances would affect t...

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  2. What are tropic levels ? Give an example of a food chain and state the...

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  3. What is the role of decomposers in the ecosystem?

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  4. What is ozone and how does it affect any ecosystem?

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  5. How can you help in reducing the problem of waste disposal? Give any t...

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  6. Which of the following groups contain only biodegradable items?

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  7. Which of the following constitute a food-chain?

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  8. Which of the following are environment-friendly practices?

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  9. What will happen if we kill all the organisms in one trophic level?

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  10. Will the impact of removing all the organisms in a trophic level be di...

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  11. What is biological magnification? Will the levels of this magnificatio...

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  12. What are the problems caused by the non-biodegradable wastes that we g...

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  13. If all the waste we generate is biodegradable, will this have no impac...

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  14. Why is damage to the ozone layer a cause for concern? What steps are b...

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  15. What changes can you make in your habits to become more environment- f...

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  16. What would be the advantages of exploiting resources with short-term a...

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  17. How would these advantages differ from the advantages of using a long-...

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  18. Why do you think that there should be equitable distribution of resour...

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  19. Why should we conserve forests and wildlife?

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  20. Suggest some approaches towards the conservation of forests.

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