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Environmental Issues

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Plant Growth and Development
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Microbes in Human Welfare
Strategies for Enhancement in Food Production
Molecular Basis of Inheritance
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  1. Atmosphere of big/metropolitan cities is polluted most by
    1. automobile exhausts
    2. pesticide residue
    3. household waste
    4. radio-active fall-out
Correct Option: A

Automobile exhaust is the main cause of air pollution in metro cities.


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