What is the full form of $IARI$?

The collection of seeds of all the alleles of all the genes of a given crop is called.....

The conventional method of breeding for resistance includes:
$I$. Screening the germplasm for resistant sources
$II$. Hybridization of selected parents
$III$. Selection and evaluation of the hybrids
$IV$. Testing and release of new varieties
Choose the correct option.

The greatest genetic diversity of plants is found in:

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 commonly used to induce mutations in cereals?