STANDARD Zoology Fertilization MCQ Question
Choose the incorrect statement from the following
In birds and mammals internal fertilization takes place
Colostrum contains antibodies and nutrients
Polyspermy in mammals is prevented by the chemical changes in the egg surface
In the human female implantation occurs almost seven days after fertilisation
Correct Answer
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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