ENVIRONMENTAL ISSUES Set 3

Question - 15 Maximum mark : - 15

In scrubber, the exhaust is passed through a

Spray of water Spray of time Both (a) and (b) Spray of hot water NULL NULL NULL

During day time, sound level is silent zone is

50 dB 70 dB 20 dB 30 dB NULL NULL NULL

In India, Jhum cultivation is practiced mainly in

North eastern states of India Western ghats of India Gangetic plains Deccan plateau NULL NULL NULL

The unfavorable alteration of environment due to human activities is termed as

Ecological disturbance Catastrophe Ecological degradation Pollution NULL NULL NULL

and

are called green house gases, because they can absorb

Ultraviolet radiation Long wave infra-red radiation Visible light radiation X-rays radiation NULL NULL NULL

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