Semi-dwarf wheat was developed by

The greatest genetic diversity of plants is found in:

The full form of $IRRI$ is ...........

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

Match the crop variety with its respective disease resistance:

List-$I$ (Crop Variety)	List-$II$ (Disease Resistance)
$(a)$ Himgiri	$(1)$ White rust
$(b)$ Pusa Komal	$(2)$ Black rot
$(c)$ Pusa Snowball $K-1$	$(3)$ Bacterial blight
$(d)$ Pusa Swarnim
	$(4)$ Hill bunt

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