MCQ
Identify figure.
- ATypical gynoecium
- ✓Typical stamen
- CCut section of microsporangium
- DFlower
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Here, $A$ to $C$ refers to
| (A) Fallopian tubes tied and cut | Tubectomy |
| (B) Vas deferens tied and cut | Vasectomy |
| (C) A type of contraceptive | Lactational Amenorrhea |
| (D) In-vitro fertilisation | Fusion of gametes within the female |
$I$. Each cell of sporogenous tissue in anther is capable of giving rise to microspore tetrad.
$II$. The pollen grain represent male gametophyte.
$III$. Pollen grains are usually triangular and $10-15 \mu m$ in diameter.
$IV$. Sporopollenin is one of the most resistance organic material which can be destroyed only by strong acids
and alkali.