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Spermatozoa are nourished during their development by

Sertoli cells
Interstitial cells
Connective tissue cells
None of the above
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Spermatogenesis without meiosis occurs in

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Sperm of animal species a cannot fertilise ovum of species b because

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In 28 day human ovarian cycle, ovulation occurs on

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Sperm capacitation involves

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Smooth muscles lining the wall of scrotum are called

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Site of vitellogenesis is

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Site of fertilization in a mammal is

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32-celled stage of human embryo is

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Sertoli cells occur in

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Sertoli cells are found

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