AIPMT PRELIMS2004Zoology-Origin of Life
AIPMT PRELIMS 2004 Zoology Primitive Earth MCQ Question
Type: MCQ-conceptual-Medium-Class 12
According to oparin, which one of the following was not present in the primitive atmosphere of the earth :-
A
Oxygen
B
Hydrogen
C
Water vapour
D
Methane
Correct Answer
Option A
Detailed Explanation
Oparin's hypothesis suggests that the early Earth's atmosphere was reducing, lacking free oxygen, which is essential for the formation of organic molecules.
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