Match the following.

Column-$I$	Column-$II$
$A$. Ethephon	$P$. Inhibits seed germination
$B$. $ABA$	$Q$. They all are acidic
$C$. $GA$	$R$. Help overcome the apical dominance
	$S$. Hastens fruit ripening in tomatoes and apples

Match column $I$ with column $II$ and select the correct option:

Column $I$ (Precursor/Term)	Column $II$ (Associated Hormone)
$(a)$ Tryptophan	$(i)$ Cytokinin
$(b)$ Mevalonic acid	$(ii)$ Abscisic acid
$(c)$ Kinetin	$(iii)$ Gibberellins
$(d)$ Dormin	$(iv)$ Auxin

Which of the following exhibits a non-polar movement?

Identify the partial parasite and total parasite plants,respectively,from the following.

Match the following:
Column-$A$ | Column-$B$
$(1)$ Auxin | $(I)$ Ripening and maturity of fruits
$(2)$ Gibberellin | $(II)$ Differentiation of xylem elements
$(3)$ Cytokinin | $(III)$ Prevention of genetic and physiological dwarfism
$(4)$ Ethylene | $(IV)$ Found from tumour tissue of tobacco

Phytohormones responsible for cell division in callus are . . . . . . and . . . . . . .