AIIMS2006Zoology-Evolution
AIIMS 2006 Zoology Origin of Life Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion: The earliest organisms that appeared on the Earth were non-green and presumably anaerobes.
Reason: The first autotrophic organisms were the chemoautotrophs that never released oxygen.
A
If both Assertion & Reason are true and the reason is the correct explanation of the assertion.
B
If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.
C
If Assertion is true statement but Reason is false.
D
If both Assertion and Reason are false statements.
Correct Answer
Option B
Detailed Explanation
The first living organisms originated among organic molecules and in oxygen free atmosphere.
Found an issue with this question?