Sonalika and Kalyan Sona are varieties of which plant?

Which of the following genes,when transferred from wild species to cultivated crops,are considered beneficial for hybridization?

Which of the following is a more suitable place for germplasm collection?

The best way to increase the yield of wheat in India is:

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

Where was $IR-8$ developed?