What is the quarantine regulation associated with?

Which of the following pairs represents insects that are beneficial to humans?

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?

Match the following columns:

Column $I$	Column $II$
$(a)$ Hilsa	$(p)$ Drone
$(b)$ Mrigal	$(q)$ Bee
$(c)$ Drone	$(r)$ Marine fish
$(d)$ Apis	$(s)$ Freshwater fish

Which state in India is the largest producer of sugarcane?

Which one is correct about Atlas $66$?