The pigment involved in photomorphogenetic movements is

Match the following:

Column $I$	Column $II$
$a.$ Auxin	$(i)$ Root hair formation
$b.$ Cytokinin	$(ii)$ Seed development
$c.$ Ethylene	$(iii)$ Xylem differentiation
$d.$ $ABA$	$(iv)$ Nutrient mobilisation

Tendrils exhibit/twining of tendrils is due to

Which one of the following pairs is not correctly matched?

Distinguish between the functions of Ethylene and Abscisic Acid $(ABA)$ from the given statements:
$I -$ Induces closure of stomata.
$II -$ Initiates flowering in pineapple.
$III -$ Initiates germination in peanut seeds.
$IV -$ Synthesized in large amounts by ripening fruits.
$V -$ Plays an important role in seed development,maturation,and dormancy.
Identify the correct sequence for Ethylene and Abscisic Acid respectively.

Identify two of the following phytohormones,which regulate the stomatal movements?
$I.$ $IAA$
$II.$ $GA_3$
$III.$ $Zeatin$
$IV.$ $ABA$