What is the significance of the amniotic sac and fluid surrounding an embryo in reptiles, birds, and mammals?

Type: MCQ • Marks: 1

A. Produces heat

B. Provides shock absorption, moisture, and protection against mechanical injury

C. Digests food

D. Provides sperm

Explanation

Amniotic fluid cushions and protects the developing embryo.

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Class 9th Science (MCQ)

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