Zoology Human Reproduction questions from NEET UG 2020.
In human beings, at the end of $12$ weeks (first trimester) of pregnancy, the following is observed:
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>
Meiotic division of the secondary oocyte is completed
Select the correct option of haploid cells from the following groups: