Which of the following is incorrect regarding xerophytes?

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

What is a $Cactushouse$?

The following statements are given about plant growth hormones:
$I.$ Cytokinins suppress the synthesis of chlorophyll.
$II.$ Auxins control apical dominance.
$III.$ Gibberellins promote shoot elongation.
$IV.$ Abscisic acid enables seeds to withstand desiccation.
Which of the above statements are correct?

An apparatus commonly used to demonstrate phototropism is

Match the following columns:

Column-$I$	Column-$II$
$A$. Plant growth promoters	$1$. Auxin
$B$. Plant growth inhibitor	$2$. Gibberellin
	$3$. Abscisic acid
	$4$. Cytokinin

Select the correct matching for $A$ and $B$.