Which of the following has provided the main food source for humans?

Which of the following is an oil-yielding crop?

The Green Revolution succeeded in increasing the yield of crops mainly due to the use of:
$I.$ Improved varieties of crops
$II.$ Agro-chemicals (fertilizers and pesticides)
$III.$ Better management practices
Choose the correct option.

Which is an important cereal crop of the temperate region?

What is the botanical name of sugarcane?

Match the following columns:

Column-$I$	Column-$II$
$P$. Vitamin $A$	$I$. Carrots,spinach,pumpkin
$Q$. Vitamin $C$	$II$. Bitter gourd,bathua,mustard,tomato
$R$. Iron and calcium	$III$. Spinach and bathua
$S$. Protein	$IV$. Broad bean,lablab,french bean,and garden pea