Bud dormancy is induced by

Which of the following is a naturally occurring growth inhibitor?

Which of the following is known as the $Stress$ $hormone$?

Which hormone is present in the fruit pulp,seed coat,and resting buds?

$I.$ Antagonist to $GA$
$II.$ Promotes bud dormancy
$III.$ Promotes stomatal closure
$IV.$ Promotes abscission layer
Identify the hormone/s which promote/s all these events in plants and choose the correct option.

Initially,the $ABA$ was identified as