MCQ
At the time of pollination, pollen grains are:
- A4 celled
- B3 celled
- ✓Two celled
- DMany celled
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Match the following columns and select the correct option.
| Column$-I$ | Column$-II$ |
| $(a)$ Placenta | $(i)$ Androgens |
| $(b)$ Zona pellucida | $(ii)$ Human Chorionic Gonadotropin $(hCG)$ |
| $(c)$ Bulbo$-$urethral glands | $(iii)$ Layer of the ovum |
| $(d)$ Leydig cells | $(iv)$ Lubrication of the Penis |
$(a)\quad(b)\quad(c)\quad(d)$