Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Conjugation is a temporary union between two ciliates belonging to two different mating types for the exchange and reconstitution of nuclear materials. Reason: Conjugation occurs between two inactive individuals which have gained their vigour and vitality due to chromosomal imbalance in their macronuclei, caused by repeated amitotic division.A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
B) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
C) Assertion is true but Reason is false
D) Assertion is false but Reason is true
Correct Answer: C
Solution :
Conjugation is a method of sexual reproduction involving the fusion of similar gamete, which are not freed from the parent forms, as in ciliates where two individuals fuse together, exchange micronuclear material and then separate. Conjugation also occurs in some algae, eg, Spirogyra and fungi, eg, Mucor.
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