MCQ
Crassinucellate ovule shows:
- AWell developed nucellus
- BPartially developed nucellus
- CAbsence of nucellus
- DPoorly developed nucellus
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| Compound | Function |
| $2,4-D$ | $A$ |
| $B$ | Fruit ripening |
$I.$ Cytokinins especially help in delaying senescence.
$II.$ Auxins are involved in regulating apical dominance.
$III.$ Ethylene is especially useful in enhancing seed germination.
Gibberellins are responsible for immature falling of leaves