Bombykol or gyplure is a

Match the following columns:

Column-$I$ (Crop)	Column-$II$ (Variety)	Column-$III$ (Insect)
$P$. Brassica	$I$. Pusa Sem $2$ and Pusa Sem $3$	$W$. Aphids
$Q$. Flat bean	$II$. Pusa Gaurav	$X$. Shoot and fruit borer
$R$. Okra	$III$. Pusa Sawani and Pusa $A-4$	$Y$. Jassids,aphids and fruit borer

Which state is the largest producer of cotton in India?

Increase in food production is necessary because of:

New varieties of plants can be produced by:

In an experiment,freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet (complete diet without cholesterol) with increasing amounts of cholesterol. Results obtained are shown in the given graph.
The graph indicates: