Sonalika and Kalyan Sona are varieties of which plant?

Which method is used to obtain all the cultivated varieties of sugarcane?

The variety 'Parbhani Kranti' of okra (Bhindi) was developed by introducing resistance against which of the following?

Selection is the method of

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

You are a botanist working in plant breeding. Describe the various steps that you will undertake to release a new variety.