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Organisms of a higher trophic level whic...

Organisms of a higher trophic level which feed on several types of organisms belonging to a number of lower trophic levels constitute the :

A

ecosystem

B

food web

C

ecological pyramid

D

food chain

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The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
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  2. Organisms which synthesise carbohydrates from inorganic compounds by u...

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  3. Organisms of a higher trophic level which feed on several types of org...

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  4. In the following groups of materials, which group/groups contain only ...

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  5. Which of the following statement is incorrect ?

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  6. Which of the following group of organisms are not constituents of a fo...

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  7. In the figure given alongside, the various trophic levels are shown in...

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  8. One of the following is not a biodegradable material. This one is :

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  9. Which of the following is not a non-biodegradable material ?

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  10. The use of one of the following will pollute the environment. This one...

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  11. One of the following is not a consumer. This one is :

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  12. Which of the following is not a producer ?

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  13. One of the following is a micro-consumer. This one is :

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  14. Which of the following act as decomposers in an ecosystem ?

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  15. One of the following helps in the recycling of materials in an ecosyst...

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  16. In the food chain comprising of a snake, grass, insect, and frog, the ...

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  17. Sahara Desert was formed over a period of time due to one of the follo...

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  18. The sea water contains water beetles, tadpole, fish and weeds. (a) W...

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  19. The following is a food chain that ends with human : plants to bee t...

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  20. A food chain occurring in the sea which provides food for many people ...

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