The correct answer is: c) Ragi (Finger millet).
Ragi is a major millet crop grown in Tamil Nadu. It is a drought-tolerant crop that can be grown in dry and semi-arid areas. Ragi is a good source of protein, fiber, and minerals. It is also a gluten-free grain, making it a good choice for people with celiac disease or gluten intolerance.
Bajra (Pearl millet) is another millet crop that is grown in Tamil Nadu. It is a hardy crop that can be grown in a variety of climates. Bajra is a good source of carbohydrates and fiber. It is also a good source of iron and zinc.
Jowar (Sorghum) is a millet crop that is grown in Tamil Nadu. It is a tall, coarse grass that is tolerant of drought and heat. Jowar is a good source of carbohydrates and fiber. It is also a good source of iron and zinc.
Maize is a cereal crop that is not native to India. It is a major crop in the United States, China, and Brazil. Maize is a good source of carbohydrates, protein, and fiber. It is also a good source of vitamins A and C.
Ragi is the major millet crop grown in Tamil Nadu because it is a drought-tolerant crop that can be grown in dry and semi-arid areas. It is also a good source of protein, fiber, and minerals.