In mung bean, resistance to yellow mosaic virus and powdery mildew were brought about by

$A$ plant breeder wants to develop a disease-resistant variety. What should they do first?

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?

Which of the following is not an objective of Biofortification in crops?

"Jaya" and "Ratna" developed for the Green Revolution in India are varieties of

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