Which of the following is an oilseed crop?

Which of the following can drastically affect the egg and chicken consumption in a country?

Apart from high yield,other main objectives of plant breeding are:

Which of the following statements about vegetative reproduction is incorrect?

Consider the following statements:
$I$. Solid stem in wheat exhibits non-preference by stem sawfly.
$II$. In cotton,smooth leaf and absence of nectar repel bollworms.
$III$. In maize,high aspartic acid,low nitrogen and sugar content protect them from stem borers.
Which of the statements given above are correct?

$A$: Barley,sorghum,and millet are smother crops.
$R$: They favor the growth of some common weeds.