$Cuscuta$ is a

Identify the incorrect pair$(s)$ from the following:

Which of the following are added as growth promoters in culture media?
$(i)$ Ethylene
$(ii)$ Abscisic acid
$(iii)$ Gibberellin
$(iv)$ Auxin
$(v)$ Cytokinin

Plant hormones are usually:

Plant growth substances $(PGS)$ have innumerable practical applications. Name the $PGS$ you should use to:
$(a)$ Increase yield of sugarcane.
$(b)$ Promote lateral shoot growth.
$(c)$ Cause sprouting of potato tuber.
$(d)$ Inhibit seed germination.

Match the following concerning the activity function and the phytohormone involved.

Column $I$	Column $II$
$(a)$ Fruit ripener	$(i)$ Abscisic acid
$(b)$ Herbicide	$(ii)$ $2,4-D$
$(c)$ Bolting agent	$(iii)$ $GA_{3}$
$(d)$ Stress hormone	$(iv)$ Ethephon

Select the correct option from the following: