MCQ
Maize grain is:
- ASeed
- BEmbryo
- COvule
- DFruit
Explanation:
The pericarp of the maize is fused with the seed coat known caryopsis.
The entire kernel is referred to as the seed.
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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.
Reason : It also has high blood supply and erectile tissue.
