STANDARDBotany-Origin of Life
STANDARD Botany Primordial Atmosphere MCQ Question
Type: MCQ-conceptual-Medium
Which of the following was most likely to have been absent in free form in the primordial atmosphere at the time of origin of life
A
O₂
B
CH₄
C
H₂
D
NH₃
Correct Answer
Option A
Detailed Explanation
Early atmosphere was reducing unlike present oxidising atmosphere because it has no free oxygen.
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