The climate of Bihar is characterized by:

Hot and dry summers, mild winters
Hot and humid summers, mild winters
Hot and dry summers, cold winters
Warm summers, cool winters

The correct answer is: a) Hot and dry summers, mild winters.

Bihar has a tropical climate, with hot and humid summers and mild winters. The average temperature in Patna, the capital of Bihar, ranges from 20°C (68°F) in January to 38°C (100°F) in May. The monsoon rains, which bring most of the annual rainfall, occur from June to September.

The hot and dry summers are caused by the hot, dry winds from the Thar Desert in Rajasthan. These winds, known as the Loo, can raise the temperature to over 40°C (104°F). The mild winters are caused by the cold, dry winds from the Himalayas. These winds, known as the Western Disturbances, can bring some rain to the state.

The climate of Bihar is suitable for growing a variety of crops, including rice, wheat, sugarcane, and maize. The state is also home to a number of important industries, including steel, textiles, and pharmaceuticals.

Here is a brief explanation of each option:

  • Option a: Hot and dry summers, mild winters. This is the correct answer. The hot and dry summers are caused by the hot, dry winds from the Thar Desert in Rajasthan. These winds, known as the Loo, can raise the temperature to over 40°C (104°F). The mild winters are caused by the cold, dry winds from the Himalayas. These winds, known as the Western Disturbances, can bring some rain to the state.
  • Option b: Hot and humid summers, mild winters. This is not the correct answer. The summers in Bihar are hot and dry, not hot and humid.
  • Option c: Hot and dry summers, cold winters. This is not the correct answer. The winters in Bihar are mild, not cold.
  • Option d: Warm summers, cool winters. This is not the correct answer. The summers in Bihar are hot, not warm. The winters in Bihar are mild, not cool.