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Which pollutant released into the air du...

Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer ?

A

BHC

B

DDT

C

CFC

D

UNEP

Text Solution

Verified by Experts

The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
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  2. What provides the energy which then flows through a food chain ?

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  3. Which pollutant released into the air during refrigeration and aircond...

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  4. In the given food chain, suppose the amount of energy at fourth trophi...

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  5. Which of the following limits the number of trophic levels in a food c...

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  6. What percentage of sun's energy falling on the leaves of green plants ...

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  7. The depletion of ozone layer in the upper atmosphere is mainly due to ...

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  8. In an ecosystem, the 10% of energy available for transfer from one tro...

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  9. Flow of energy in an ecosystem is always

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  10. Excessive exposure of human to UV-rays results in (i) damage to imm...

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  11. Which of the following gets the minimum energy through the food chain ...

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  12. A food chain comprises of cat, seed-eating bird, plants, and dog. The ...

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  13. An aquatic food chain comprises of the organisms like tadpoles, weeds,...

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  14. Most of the water surface of a lake is covered with algae. This algae ...

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  15. If the energy available at the producer level in a food chain is 150 J...

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  16. If the energy transferred to a tertiary consumer in a food chain is 10...

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  17. In addition to wheat plants, a crop field ecosystem has organisms such...

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  18. Which of the following is the best method to dispose of biological was...

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  19. In an ecosystem : (i) the flow of energy is unidirectional (ii) ...

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  20. The ten per cent law is associated with

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