The correct answer is: a) Rice.
Rice is the primary staple food crop in Assam. It is grown in the Brahmaputra valley and the Barak valley. The main varieties of rice grown in Assam are Boro, Aus, and Aman. Boro rice is the most important variety and is grown during the winter season. Aus rice is grown during the summer season and Aman rice is grown during the monsoon season.
Wheat is not a major crop in Assam. It is grown in some parts of the state, but it is not as important as rice. Maize is also not a major crop in Assam. It is grown in some parts of the state, but it is not as important as rice or wheat. Millet is not a major crop in Assam. It is grown in some parts of the state, but it is not as important as rice, wheat, or maize.
Rice is a cereal grain that is widely grown and consumed in Asia and other parts of the world. It is the staple food for more than half of the world’s population. Rice is a member of the grass family and is closely related to wheat, barley, and oats. It is a semi-aquatic plant that grows best in flooded fields. Rice is a major source of carbohydrates, dietary fiber, and protein. It is also a good source of vitamins and minerals, including thiamin, niacin, iron, and magnesium.