The correct answer is (a) rice. Rice is the most important food crop grown in Meghalaya. It is grown in the lowlands and the hills. The main varieties of rice grown in Meghalaya are Boro, Aus, and Aman. Boro rice is a high-yielding variety that is grown in the winter season. Aus rice is a medium-yielding variety that is grown in the summer season. Aman rice is a low-yielding variety that is grown in the monsoon season.
Wheat is not a major food crop in Meghalaya. It is grown in some parts of the state, but it is not as important as rice. Maize is also not a major food crop in Meghalaya. It is grown in some parts of the state, but it is not as important as rice or wheat. Millet is a minor food crop in Meghalaya. It is grown in some parts of the state, but it is not as important as rice, wheat, or maize.
Rice is the most important food crop in Meghalaya because it is a staple food for the people of the state. It is also a major source of income for the farmers of the state.