Zoology-Origin of Life
NEET Zoology Origin of Life MCQ Question
Type: MCQ-diagram based-Medium-Class 12
Imagine a diagram depicting the early Earth's atmosphere with gases like water vapour, methane, carbon dioxide, and ammonia. Which process was primarily responsible for the formation of the first simple organic molecules in this environment?
A
Lightning and UV radiation
B
Photosynthesis
C
Volcanic eruptions
D
Meteorite impacts
Correct Answer
Option A
Detailed Explanation
The NCERT context describes that the early Earth's atmosphere, which lacked oxygen, contained gases such as water vapour, methane, carbon dioxide, and ammonia. Energy from lightning and UV radiation could have catalyzed the formation of simple organic molecules.
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