Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 10 PCB Single Correct MCQ
Published on: August 14, 2026

Which of the following is incorrect about the similarities between microsporogenesis and megasporogenesis?

A
Both involve meiotic division for the production of spores.
B
Cells associated with the production of haploid cells receive nutrition from the surrounding tissue.
C
Both lead to the formation of gametophytes.
D
Gametes are formed after two mitotic divisions in both.

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Text Solution

Verified by Experts
The correct answer is:
D

Gametes are not formed directly after "two mitotic divisions" in both.
In pollen (male gametophyte), mitosis produces a 2 -celled pollen grain (vegetative + generative) → then generative cell divides again → 2 male gametes.
In embryo sac (female gametophyte), the functional megaspore undergoes 1 meiotic and 3 mitotic divisions → forms the 7 -celled, 8 -nucleate embryo sac.

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