Elongation of internodes is inhibited by

One hormone hastens the maturity period in juvenile conifers,a second hormone controls xylem differentiation,while the third increases the tolerance of plants to various stresses. They are respectively:

What would be expected to happen if:
$(a)$ $GA_{3}$ is applied to rice seedlings
$(b)$ Dividing cells stop differentiating
$(c)$ $A$ rotten fruit gets mixed with unripe fruits
$(d)$ You forget to add cytokinin to the culture medium.

Match column-$I$ with column-$II$ and select the correct option using the codes given below.

Column-$I$	Column-$II$
$A$. Cytokinin	$i$. Stimulates closure of stomata
$B$. Ethylene	$ii$. Increases stem length
$C$. Gibberellin	$iii$. Promotes lateral shoot growth
$D$. Abscisic acid	$iv$. Found in large amounts in tissues undergoing senescence

Tendrils exhibit/twining of tendrils is due to

The number of female flowers can be increased by the application of: