MCQ
During germination, stem grows upward and root goes downward because
- AIt depends upon light
- ✓Of auxin
- CIt does not depend on light
- DOf epinasty and hyponasty
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$(I)$ Amyloplasts - Store proteins
$(II)$ Mitochondrion - 'Power house' of the cell
$(III)$ Stroma - Chlorophyll pigment
$(IV)$ Axoneme $-9+2$ array
$II.$ 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