In wheat,due to a specific type of stem,which of the following does not approach it?

Triticale,the first man-made cereal crop,was obtained by crossing wheat with which of the following?

Several South Indian states raise $2-3$ crops of rice annually. The agronomic feature that makes this possible is

The $....X....$ variety of Brassica is resistant to $.....Y.....$ disease.

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

The entire collection having all the diverse alleles for all genes in a given crop is called