Assertion (A): As per Darwin, over many generations, survivors will leave more progenies.
Reason (R): Survivors have variations that make resource utilization better for them.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Theory of Evolution & Lamarckism | Darwin's Theory | Summary of Darwin's Theory | Modern Theory of Evolution |
 84%
Level 1: 80%+
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Assertion(A): Evolution is not a directed process in the sense of determination.
Reason(R): It is stochastic process based on chance events in nature and chance mutation in the organisms.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Theory of Evolution & Lamarckism | Modern Theory of Evolution | Natural Selection | Genetic Basis of Adaptation |
 81%
Level 1: 80%+
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