MCQ
Addison's disease results from
- AHypertrophy of gonads
- ✓Hyposecretion of adrenal cortex
- CHyperactivity of cells of Leydig
- DNone of the above
increased $K^{+}$level in blood, low $BP$ etc.
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$II.$ 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