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Construct (a) a long food chain, and (b)...

Construct (a) a long food chain, and (b) a short foodchain, ending with man.

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The correct Answer is:
(a) Algae `to` Protozoa `to` Small fish `to` Big fish `to` Man (b) Plants `to` Man
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LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
  1. At which trophic level a person is feeding when he is eating : (a) r...

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  2. A student went to study a local pond. In one part of the pond she noti...

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  3. Construct (a) a long food chain, and (b) a short foodchain, ending wit...

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  4. (a) State one advantage of using jute bags over plastic bags for shopp...

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  5. We do not clean ponds or lakes but an aquarium needs to be cleaned per...

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  6. What will be the consequence of the absence of decomposers in the ecos...

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  7. Give two differences between food chain and food web.

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  8. Write one or two words for each of the following statements/definition...

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  9. (a) What is meant by biodegradable waste materials ? Give two examples...

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  10. (a) What is meant by non-biodegradable waste materials ? Give two exam...

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  11. (a) Define an ecosystem. Give examples of any two ecosystems. (b) L...

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  12. (a) What is a food chain ? Give one example of a simple food chain. ...

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  13. (a) What is meant by 'environment' ? (b) What type of substances are...

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  14. Which of the following constitutes a food chain ?

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  15. In a food chain, the initial organism is usually :

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  16. Which of the following represents a possible food chain found in a pon...

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  17. Which of the following are decomposers of dead organisms ?

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  18. Which of the following is an artificial ecosystem ?

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  19. Disposable plastic plates should not be used because :

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  20. In a food chain, the third trophic level is always occupied by :

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