The correct option is A A-IV, B-III, C-II, D-I
The yield of crops is affected by the pathogens such as bacteria, fungi, virus and other pests. To overcome this problem, disease resistant and insect pest resistant varieties of plants are generated by various new plant breeding methods.
Pusa Sawani is a variety of okra developed against shoot and fruit borer insect pests.
Pusa Sadabahar is a variety of chilli developed against chilly mosaic virus, tobacco mosaic virus and leaf curl disease.
Pusa Shubhra is a variety of cauliflower developed against black rot and curl blight black rot disease.
Brassica is mainly affected by fungal disease, white rust. Pusa Swarnim is a disease resistant variety developed against this disease.