CAN ANYONE PLZZ ANSWER THIS??
Choose the incorrect statement from the following:
a. In birds and mammals internal fertilisation takes place
b. Colostrum contains antibodies and nutrients
c. Polyspermy is prevented by the chemical changes in the egg surface
d. In the human female implantation occurs almost seven days afterfertilisation
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Answer :- Option C is incorrect .
Reason :- Polyspermy is a condition in which egg has been fertilized by more than one sperm.
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