English

A stage of development showing cells in three primary germ layers is ______.

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Question

A stage of development showing cells in three primary germ layers is ______.

Options

  • morula

  • blastocyst

  • blastula

  • gastrula

MCQ
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Solution

A stage of development showing cells in three primary germ layers is gastrula.

Explanation:

Gastrulation establishes the three primary germ layers: ectoderm, mesoderm and endoderm. Morula and blastocyst are earlier developmental stages.

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Chapter 3: Human Reproduction - EXERCISES [Page 162]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 3 Human Reproduction
EXERCISES | Q I. 23. | Page 162
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