$I.$ The increased growth per unit time is termed as $A$.
$II.$ Abscisic acid $B$ the stomata.
Choose the correct option and fill in the blanks.

Name a hormone which:
$(A)$ is gaseous in nature
$(B)$ is responsible for phototropism
$(C)$ induces femaleness in flowers of cucumber
$(D)$ is used for killing weeds (dicots)
$(E)$ induces flowering in long day plants

Desert can be converted into greenland by

Which of the following sets is not a natural plant growth regulator?

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.

Which one of the following pairs of plant hormones inhibits flowering in some plants?