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Environment Ecology Health and Hygiene


1. 

Depletion of ozone layer is caused by

Answer : A. Chloroflurocarbon

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2. 

Acid rain results from

Answer : C. Air pollution

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3. 

An ecosystem consists of

Answer : A. A living community and its environment

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4. 

Normally a balanced diet should be able to provide about

Answer : C. 3,500 calories per day

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5. 

The most affected part due to smoking is

Answer : C. lungs

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6. 

Identify the sequence of energy flow in a terrestrial eco system?

Answer : B. Grass-> Grasshoper->frog->Snake->Owl

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