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One of the following helps in the recycl...

One of the following helps in the recycling of materials in an ecosystem. This one is :

A

autotrophs

B

saprotrophs

C

omnivores

D

carnivores

Text Solution

Verified by Experts

The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
  1. One of the following is a micro-consumer. This one is :

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

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

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

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

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

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

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

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  9. What would happen to the number of rabbits and grass plants if the num...

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  10. What would happen to the number of grass plants and foxes if the numbe...

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  11. (a) Match the terms given in column I with the terms given in column I...

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  12. What percentage of the solar energy is trapped and utilised by the pla...

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  13. What percentage of energy available at the producer level is transferr...

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  14. Name the process in which a harmful chemical enters the food chain and...

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  15. In a food chain consisting of grass, frog, bird and insects, where wil...

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  16. If a harfmul chemical enters a food chain comprising cat, mice and pla...

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  17. Which radiations are absorbed by ozone layer ?

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  18. Name the man made component which is responsible for the depletion of ...

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  19. Name two waste materials which can be recycled.

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  20. Name the process by which the volume of solid wastes can be reduced.

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