The correct answer is: a) Both Kharif and Rabi seasons.
Bihar has a tropical climate with hot, humid summers and mild winters. The average temperature ranges from 25°C to 35°C in summer and 10°C to 20°C in winter. The state receives an average annual rainfall of 1,000-1,500 mm.
The Kharif season is from June to October and the Rabi season is from November to March. The Kharif season is the main cropping season in Bihar. The main crops grown during this season are rice, maize, pulses, and oilseeds. The Rabi season is the second cropping season in Bihar. The main crops grown during this season are wheat, barley, mustard, and peas.
The climatic conditions of Bihar are suitable for growing vegetables during both the Kharif and Rabi seasons. The main vegetables grown in Bihar are potato, tomato, onion, cauliflower, cabbage, and brinjal.
Here is a brief explanation of each option:
- Option (a): Both Kharif and Rabi seasons. This is the correct answer. The climatic conditions of Bihar are suitable for growing vegetables during both the Kharif and Rabi seasons.
- Option (b): Summer season only. This is not the correct answer. The summer season is too hot and humid for growing vegetables.
- Option (c): Winter season only. This is not the correct answer. The winter season is too cold for growing vegetables.
- Option (d): Monsoon season only. This is not the correct answer. The monsoon season is too wet for growing vegetables.