Human Reproduction PYQ — Page 2

At which stage of life the oogenesis process is initiated?

Receptors for sperm binding in mammals are present on:

Which of these is not an important component of initiation of parturition in humans?

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

Match the following columns and select the correct option:- <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">Column-I</td><td colspan="2" rowspan="1">Column-II</td></tr><tr><td>(a)</td><td>Ovary</td><td>(i)</td><td>Human chorionic gonadotropin</td></tr><tr><td>(b)</td><td>Placenta</td><td>(ii)</td><td>Estrogen & Progesterone</td></tr><tr><td>(c)</td><td>Corpus luteum</td><td>(iii)</td><td>Androgens</td></tr><tr><td>(d)</td><td>Leydig cells</td><td>(iv)</td><td>Progesterone only</td></tr></tbody></table>

Match the following columns and select the correct option. <table class="pyq-table"><tbody><tr><td></td><td>Column-I</td><td></td><td>Column-II</td></tr><tr><td>(a)</td><td>Placenta</td><td>(i)</td><td>Androgens</td></tr><tr><td>(b)</td><td>Zona pellucida</td><td>(ii)</td><td>Human Chorionic Gonadotropin (hCG)</td></tr><tr><td>(c)</td><td>Bulbourethral glands</td><td>(iii)</td><td>Layer of the ovum</td></tr><tr><td>(d)</td><td>Leydig cells</td><td>(iv)</td><td>Lubrication of the Penis</td></tr></tbody></table>

In human beings, at the end of $12$ weeks (first trimester) of pregnancy, the following is observed:

Select the correct option of haploid cells from the following groups:

Meiotic division of the secondary oocyte is completed

No new follicles develop in the luteal phase of the menstrual cycle because

Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?

Select the correct sequence for transport of sperm cells in male reproductive system.

Extrusion of second polar body from egg nucleus occurs

Hormones secreted by the placenta to maintain pregnancy are

Match the items given in Column I with those in Column II and select the correct option given below: <table class="pyq-table"><tbody><tr><td></td><td>Column – I</td><td></td><td>Column – II</td></tr><tr><td>a.</td><td>Proliferative Phase</td><td>i.</td><td>Breakdown of an endometrial lining.</td></tr><tr><td>b.</td><td>Secretory Phase</td><td>ii.</td><td>Follicular Phase</td></tr><tr><td>c.</td><td>Menstruation</td><td>iii.</td><td>Luteal Phase</td></tr></tbody></table>

The amnion of mammalian embryo is derived from

The difference between spermiogenesis and spermiation is

Capacitation occurs in

GnRH, a hypothalamic hormone, needed in reproduction, acts on

Several hormones like hCG, hPL, estrogen, progesterone are produced by

Match Column-I with Column-II and select the correct option using the codes given below: <table class="pyq-table"><tbody><tr><td colspan="2">Column–I</td><td colspan="2">Column–II</td></tr><tr><td>a.</td><td>Mons pubis</td><td>(i)</td><td>Embryo formation</td></tr><tr><td>b.</td><td>Antrum</td><td>(ii)</td><td>Sperm</td></tr><tr><td>c.</td><td>Trophectoderm</td><td>(iii)</td><td>Female external genitalia</td></tr><tr><td>d.</td><td>Nebenkern</td><td>(iv)</td><td>Graafian follicle</td></tr></tbody></table>

Changes in GnRH pulse frequency in females is controlled by circulating levels of:

Identify the correct statement on 'inhibin':

Which of the following depicts the correct pathway of transport of sperms?