Home Biology Biological Classification Consider the following statements about sexu…
Biology Biological Classification Single Correct MCQ
Published on: August 21, 2026

Consider the following statements about sexual reproduction.

(I) In class–Phycomycetes, sexual reproduction produces a resting diploid spore called zygospore.

(II) Zygospores are formed by the fusion of two gametes.

(III) All zygospores are of isogamous type.

Which of the statements given above are correct?

A
(I) and (II)
B
(I) and (III)
C
(II) and (III)
D
All of these

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Text Solution

Verified by Experts
The correct answer is:
D

Statement (I) is correct: In Phycomycetes, sexual reproduction leads to the formation of a zygospore, which is a thick-walled, resting, and diploid spore.

Statement (II) is correct: Zygospores are formed through the fusion of two gametes (plasmogamy followed by karyogamy).

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