Darwin's Theory NEET 2025 Level Evolution Zoology (2021) NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Consider the given two statements:

Assertion (A):	Variations on which natural selection acts, arise as a result of random mutations.
Reason (R):	A new variation may, or may not, be adaptive.

1.	Both (A) and (R) are True but (R) does not correctly explain (A).
2.	Both (A) and (R) are True and (R) correctly explains (A).
3.	(A) is False and (R) is also False.
4.	(A) is True but (R) is False.

Subtopic: Darwin's Theory |

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Which of the following is not true about Darwin’s theory of natural selection?

1.	The survival and reproduction of organisms depend on inherited traits that suit their environment.
2.	Populations exhibit variation in traits, and individuals with advantageous traits reproduce more.
3.	Fitness, in Darwin’s sense, refers to the reproductive success of organisms in a given environment.
4.	Natural selection leads to the creation of new traits that are better adapted to changing environments.

Subtopic: Darwin's Theory |

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