The correct answer is (a). Uttar Pradesh is the largest producer of rice in India, accounting for 24% of the country’s total rice production. The state has a cultivated area of over 10 million hectares, and produces over 30 million tonnes of rice each year. The main rice-growing areas in Uttar Pradesh are the Gangetic plain and the Terai region. The state’s rice production is supported by a number of factors, including a favorable climate, a large and skilled workforce, and a well-developed infrastructure.
Option (b) is incorrect because West Bengal is the second largest producer of rice in India, accounting for 18% of the country’s total rice production.
Option (c) is incorrect because Punjab is the third largest producer of rice in India, accounting for 16% of the country’s total rice production.
Option (d) is incorrect because Andhra Pradesh is the fourth largest producer of rice in India, accounting for 14% of the country’s total rice production.