The correct answer is: a) Rice and Maize.
Rice and maize are the two most important cereal crops grown in Bihar. Rice is the staple food of the people of Bihar and is grown in almost all parts of the state. Maize is also an important crop and is grown in the northern and eastern parts of the state.
Wheat is not a major crop in Bihar. It is grown in some parts of the state, but its production is not very high. Barley is also not a major crop in Bihar. It is grown in some parts of the state, but its production is not very high. Millet and pulses are also not major crops in Bihar. They are grown in some parts of the state, but their production is not very high.
Here is a brief explanation of each option:
- Option a: Rice and Maize. Rice is the staple food of the people of Bihar and is grown in almost all parts of the state. Maize is also an important crop and is grown in the northern and eastern parts of the state.
- Option b: Rice and Wheat. Wheat is not a major crop in Bihar. It is grown in some parts of the state, but its production is not very high.
- Option c: Wheat and Barley. Barley is also not a major crop in Bihar. It is grown in some parts of the state, but its production is not very high.
- Option d: Millet and Pulses. Millet and pulses are also not major crops in Bihar. They are grown in some parts of the state, but their production is not very high.