Resistance to $Phytophthora$ in potato is derived from which of the following species?

Select the option that represents the correct sequence of steps for breeding a genetically diverse crop variety:
$(i)$ Selection and testing of superior recombinants
$(ii)$ Evaluation and selection of parents
$(iii)$ Collection of variability
$(iv)$ Testing,release,and commercialization of new cultivars
$(v)$ Cross-hybridization among the selected parents

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

Which crop variety was developed by Norman Borlaug?

Suggest some of the features of plants that will prevent insect and pest infestation.

In mutation breeding,mutations are induced by using chemicals like