Which widely grown variety of rice,developed by the International Rice Research Institute $(IRRI)$ in Manila,Philippines,helped solve the food crisis in Asia?

Match the following:

Column-$I$	Column-$II$
$(1)$ Wheat	$(p)$ Taichung Native-$1$
$(2)$ Rice	$(q)$ Sonalika and Kalyan Sona
$(3)$ Sugarcane	$(r)$ Hybrid maize,jowar and bajra
$(4)$ Millets	$(s)$ Saccharum officinarum

Which of the following is a variety of $Brassica$ resistant to white rust disease?

Arrange the following steps in the correct sequence for breeding a genetically diverse crop variety:
$I -$ Cross-hybridization among the selected parents
$II -$ Testing, release, and commercialization of new cultivars
$III -$ Selection and testing of superior recombinants
$IV -$ Collection of variability
$V -$ Evaluation and selection of parents

Superiority of hybrid over parents is known as:

High levels of aspartic acid,low nitrogen and sugar content in maize plants prevent the attack by . . . . . . .