The coloured part in Poinsettia $(Euphorbia)$ is

In water lily,stomata are found on

You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example,which usually grows in shallow water or in marshy lands. What part of the plant is modified into a pitcher? How does this modification help the plant for food even though it can photosynthesize like any other green plant?

Match the following columns:

Column-$I$ (Phyllotaxy)	Column-$II$ (Plants)
$P$. Alternate	$I$. Alstonia
$Q$. Opposite	$II$. Calotropis
$R$. Whorled	$III$. Opuntia
	$IV$. Mustard

Describe the various parts of a leaf.

Reticulate and parallel venation are characteristic of $........$ and $......$ respectively.