Zoology-Origin of Life
NEET Zoology Origin of Life MCQ Question
Type: MCQ-fact-Medium-Class 12
What was the primary component of the early atmosphere on Earth?
A
Water vapour
B
Oxygen
C
Nitrogen
D
Carbon monoxide
Correct Answer
Option A
Detailed Explanation
The early Earth had no atmosphere, but the surface was covered by water vapour, methane, carbon dioxide, and ammonia released from molten mass. Water vapour was one of the primary components present.
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