The correct answer is: B) Mustard
Karnataka is a major producer of mustard in India. In 2020-21, Karnataka produced 1.2 million tonnes of mustard, which was about 15% of the total production in India. The state has a favorable climate for mustard cultivation, with a long winter season and well-distributed rainfall. The major mustard-growing districts in Karnataka are Raichur, Gulbarga, Bidar, Yadgir, and Koppal.
Jowar is a type of sorghum that is grown in semi-arid regions. It is a major cereal crop in India, and is used to make a variety of food products, including jowar roti, jowar bhakri, and jowar dosa. Jowar is also used as a fodder crop.
Pulses are a group of legumes that are grown for their edible seeds. They are a major source of protein in the Indian diet, and are also used to make a variety of food products, including dal, pulses, and legumes.
Potatoes are a starchy, tuberous crop that is grown in temperate regions. They are a major source of carbohydrates in the Indian diet, and are also used to make a variety of food products, including potato chips, potato fries, and potato soup.