Class 11 · Biological Classification

Sexual Reproduction & Embryological Development — NEET Biology

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📖 NCERT Source

The sexual reproduction is by copulation of male and female followed by embryological development. Salient features of various phyla are described in Chapter 4.

NCERT Biology · Class 11 · Chapter 2 · Paragraph 46
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Assertion (A): Fungal sexual reproduction involves a sequence of nuclear events. Reason (R): Nuclear fusion occurs first, followed by the formation of dikaryotic cells.

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Correct answer: C If assertion is true but reason is false.

NCERT confirms fungal sexual reproduction involves sequential nuclear events (Assertion true). However, NCERT states “Later, the parental nuclei fuse and the cells become diploid” which indicates dikaryotic stage formation occurs first, then nuclear fusion. The Reason reverses this temporal sequence - dikaryotic stage formation precedes nuclear fusion, not the reverse.

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What does NCERT say about sexual reproduction by copulation?
The sexual reproduction is by copulation of male and female followed by embryological development. Salient features of various phyla are described in Chapter 4.
Has this concept appeared in NEET?
Practice this NCERT concept with questions on MedicNEET.
Which chapter is this from?
Biological Classification, Class 11 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
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