STANDARDZoology-Reproduction

STANDARD Zoology Fertilization MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Choose the incorrect statement from the following

A

In birds and mammals internal fertilization takes place

B

Colostrum contains antibodies and nutrients

C

Polyspermy in mammals is prevented by the chemical changes in the egg surface

D

In the human female implantation occurs almost seven days after fertilisation

Correct Answer

Option C

Detailed Explanation

Polyspermy is prevented by changes in the egg's membrane that block additional sperm entry, ensuring only one sperm fertilizes the ovum.

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