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Extrusion of second polar body from egg nucleus occurs
(a)After entry of sperm before completion of fertilization
(b)After completion of fertilization
(c)Before entry of sperm
(d)Without any relation of sperm entry

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Important Questions on Human Reproduction
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Identify the cells represented as and in the given schematic representation of spermatogenesis.

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Study the following
S.No | Cell | Formed by | State |
I. | Spermatogonia | Mitosis | Diploid |
II. | Spermatid | Meiosis I | Haploid |
III. | Oogonia | Meiosis | Diploid |
IV. | Secondary oocyte | Meiosis I | Haploid |
Among the above, correct combination are

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If in a normal Menstruating woman, menses occur April, what will be expected date of Ovulation?

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Statement (S) : There is surge in Ovulatory phase.
Reason (R): surge induces the growth and maturation of follicles in the Ovary.
The correct answer is

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In the given diagram of human sperm, identify the functions of the labelled parts. and

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HARD

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Identify the cells represented as and in the schematic representation of Oogenesis, shown below and choose the correct option.

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