MCQ
In submerged plants, the stomata lie on:
- AEqually on both surfaces
- BUpper surface
- ✓Not on any surface
- DLower surface
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$I$. 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.
$1.$ Therapeutics
$2.$ Agriculture
$3.$ Diagnosis
$4.$ Bioremediation