Q.

Which one of the following is incorrect about the conditions on the Earth at the time of origin of life?

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a

High temperature

b

Oxidising atmosphere

c

Volcanic storms

d

Atmosphere with hydrogen, CH4 and NH3 and water vapour

answer is B.

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Detailed Solution

The primordial earth’s atmosphere was a reducing atmosphere (devoid of oxygen). Hydrogen was the most abundant gas in it.
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