Select the mismatched pair with respect to mutated varieties of crops.

The steps of a plant breeding program are given below. Arrange them in the correct sequence.
$(a)$ Cross-hybridization among the selected parents
$(b)$ Testing,release,and commercialization of new cultivars
$(c)$ Collection of variability
$(d)$ Selection and testing of superior recombinants
$(e)$ Evaluation and selection of parents

Resistance to ........ in bhindi ($Abelmoschus$ $esculentus$) was transferred from a wild species and resulted in a new variety of $A. esculentus$ called ........

Resistance to yellow mosaic virus and powdery mildew was induced in . . . . . . .

In mutation breeding,mutations are induced by using chemicals like

In which step of plant breeding for genetically variable crops is germplasm collection performed?