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 after
fertilisation


NCERT Class XII
Biology - Main Course Book

Chapter 3. Human Reproduction

1

Answers

2015-06-14T21:10:35+05:30

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The answer is (A).....
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