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Environment and Ecology


7. 

If the plant producer dies in the ecosystem, then the system is

Answer : A. Seriously affected

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8. 

Urea is fromed during

Answer : C. Ornithine cycle

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9. 

Air pollutants destroy the

Answer : D. Ozone layer

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10. 

The gases which are responsible for acid rain are

Answer : B. Nitrogen dioxide and Sulphur dioxide

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11. 

Which one of the following is correctly matched?

Answer : D. Decomposer - Bacteria

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12. 

The total organic matter present in an ecosystem is referred as

Answer : A. Biomass

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