MCQ
The phylum of comb jelly is
- AMollusca
- BEchinodermata
- CCoelenterata
- ✓Ctenophora
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Choose the correct combination for $A$ and $B$
$II.$ Promoted bud dormancy
$III.$ Promoted stomatal closure
$IV.$ Promoted abscission layer
Identify the hormone/s which promote/s all these events in plants and choose the correct option