NEET Zoology Origin of Life MCQ Question with Solution

Approximately how many years ago was the Earth formed according to the Big Bang theory as explained in the context of the origin of life?

A

5 billion years ago

B

8 billion years ago

C

6 billion years ago

D

2 billion years ago

Correct Answer

Option A

Detailed Explanation

The NCERT context states that Earth was formed about 4.5 billion years back as part of the solar system formation after the Big Bang.

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