Consider the given two statements:
Assertion: Natural selection is the differential survival and reproduction of individuals due to differences in phenotype.
Reason: Natural selection is a key mechanism of evolution.
 
1. (A) is True but (R) is False
2. (A) is False but (R) is True
3. Both (A) and (R) are True and (R) is the correct explanation of (A)
4. Both (A) and (R) are True but (R) is not the correct explanation of (A)
Subtopic:  Natural Selection |
From NCERT
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Consider the given two statements:
Assertion (A): Pest species evolve pesticide resistance via natural selection.
Reason (R): After exposure to pesticides, some pests develop mutations that enable them to survive and leave progeny.
 
1. (A) is False but (R) is True.
2. (A) is True but (R) is False.
3. Both (A) and (R) are True and (R) is the correct explanation of (A).
4. Both (A) and (R) are True but (R) is not the correct explanation of (A).
Subtopic:  Natural Selection |
From NCERT
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