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Environment and Ecology


13. 

If water pollution continues at its present rate it will eventually

Answer : C. makes O2 molecule unavailable to water plant

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14. 

Automobile air pollution is due to

Answer : D. Carbon dioxide and carbon monoxide

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15. 

Epoxy resins are used as

Answer : C. adhesive

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16. 

The total organic matter present in an ecosystem is referred as

Answer : A. Biomass

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17. 

Suppose in a balanced green forest the number of tigers was doubled. This would gradually

Answer : C. decrease the biomass of herbivores

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18. 

Which of the following sequences is not a proper food chain?

Answer : C. Man->Fish->Meat->Plant juice

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