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.

Consider the following four statements $(a-d)$ regarding the successful cultivation of chickpea in an area where bacterial blight is common:
$(a)$ Spraying of Bordeaux mixture.
$(b)$ Control of the disease vector.
$(c)$ Use of disease-free seeds.
$(d)$ Use of disease-resistant varieties.
Which of the above are the most effective strategies for managing this disease?

What is the collection of all the diverse alleles of all the genes in a given crop called?

The name of Norman Borlaug is associated with which of the following?

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

Crosses between the plants of the same variety are called: