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Standard XI
Biology
Question
Which of the following is the chief reason the proto-cell was probably a fermenter?
Protocell did not have any enzymes
Atmosphere did not have any oxygen
Fermentation provides the most amount of energy
There was not ATP yet
A
Protocell did not have any enzymes
B
Fermentation provides the most amount of energy
C
There was not ATP yet
D
Atmosphere did not have any oxygen
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Solution
Verified by Toppr
Since the environment lacked free oxygen and the mitochondria didn't arise till that time, the organisms were all fermenters.
So, the correct option is '
Atmosphere did not have any oxygen
'.
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