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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