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Which of the following stages is mismatched? (a) Cleavage - cell division (b) Blastula - gut formation (c) Gastrula - three germ layers (d) Neurula - nervous system - Biology (Theory)

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Question

Which of the following stages is mismatched?

Options

  • Cleavage - cell division

  • Blastula - gut formation

  • Gastrula - three germ layers

  • Neurula - nervous system

MCQ
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Solution

Blastula - gut formation

Explanation:

Cleavage is indeed cell division; Gastrula is the stage where three germ layers form; Neurula is associated with the development of the nervous system. However, gut formation happens during the Gastrula stage, not Blastula. Blastula is a hollow ball of cells before germ layers and gut form. Hence, Blastula is mismatched.

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Chapter 3: Human Reproduction - TEST YOUR PROGRESS [Page 108]

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Nootan Biology [English] Class 12 ISC
Chapter 3 Human Reproduction
TEST YOUR PROGRESS | Q 1. 70. | Page 108
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