The Rabi season in Bihar is the major growing season for crops like:

Wheat and mustard
Rice and maize
Pulses and vegetables
Cotton and sugarcane

The correct answer is: a) Wheat and mustard.

The Rabi season is the winter cropping season in India, which runs from October to March. It is the major growing season for wheat, mustard, barley, peas, and gram. The Rabi season is characterized by cool, dry weather, which is ideal for the growth of these crops.

Rice and maize are summer crops, which are grown during the Kharif season. Pulses and vegetables are also grown during both the Rabi and Kharif seasons. Cotton and sugarcane are grown during the summer season.

Here is a brief explanation of each option:

  • Option (a): Wheat and mustard are major Rabi crops. Wheat is a cereal crop that is used to make bread, pasta, and other flour-based products. Mustard is a cruciferous vegetable that is used to make mustard oil and mustard seeds.
  • Option (b): Rice and maize are major Kharif crops. Rice is a cereal crop that is used to make rice dishes such as rice pudding and sushi. Maize is a cereal crop that is used to make cornbread, popcorn, and corn tortillas.
  • Option (c): Pulses and vegetables are grown during both the Rabi and Kharif seasons. Pulses are a type of legume that is used to make beans, lentils, and peas. Vegetables are a wide variety of plants that are used to make salads, soups, and stews.
  • Option (d): Cotton and sugarcane are grown during the summer season. Cotton is a fiber crop that is used to make clothing, towels, and bed sheets. Sugarcane is a grass crop that is used to make sugar, molasses, and ethanol.