- 1(current)
Q. No.Assertion(A): Fitness is the end result of ability to adapt and get selected by nature.
Reason(R): Some organisms are better adapted to survive in an otherwise hostile environment.
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.
Reason(R): Some organisms are better adapted to survive in an otherwise hostile environment.
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: Â Darwin's Theory |Â Summary of Darwin's Theory |Â Drawbacks of Darwin's Theory |
 53%
From NCERT
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Assertion(A): Branching descent and natural selection are the two key concepts of Darwinian theory.
Reason(R): Hardy-Weinberg's equilibrium is not affected by Darwinian natural selection.
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.
Reason(R): Hardy-Weinberg's equilibrium is not affected by Darwinian natural selection.
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: Â Darwin's Theory |Â Summary of Darwin's Theory |Â Drawbacks of Darwin's Theory |Â Hardy Weinberg Law: 1 |Â Hardy Weinberg Law: 2 |Â Hardy Weinberg Law |
 75%
From NCERT
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- 1(current)
Q. No.
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