In which plants are pneumatophores found?

Reproductive roots taking part in reproduction are found in

Climbing roots are present in

What is meant by modification of root? What type of modification of root is found in the:
$(a)$ Banyan tree
$(b)$ Turnip
$(c)$ Mangrove trees

Which of the following represents the correct sequence of the four regions of a root, starting from the root tip and moving upwards?

Match the following columns:

Column-$I$	Column-$II$
$P$. Stilt root	$I$. Sweet potato
$Q$. Prop root	$II$. Banyan tree
$R$. Food storage root	$III$. Rhizophora
$S$. Respiratory root	$IV$. Maize/Sugarcane