Understanding 'Boro', 'Aman', and 'Aus'

The question asks to identify what 'Boro', 'Aman', and 'Aus' refer to. These terms are commonly used in the context of Indian agriculture, specifically concerning a staple food grain.

Analyzing the Options

Let's examine the given options:

• Option 1: tribes which are found in the north-eastern part of India. While there are many tribes in North-East India, these terms are not associated with tribal names.
• Option 2: types of folk dance. India has a rich tradition of folk dances, but 'Boro', 'Aman', and 'Aus' do not represent names of folk dances.
• Option 3: names of rice crops. Rice is a major crop in India, and different varieties or cropping seasons have specific names.
• Option 4: types of cotton crop. Cotton is another important crop, but these names are not used for cotton varieties or seasons.

Identifying 'Boro', 'Aman', and 'Aus'

'Boro', 'Aman', and 'Aus' are well-known terms that refer to different cropping seasons or types of rice cultivated in India, particularly in regions like West Bengal, Assam, and Bangladesh. These correspond to different sowing and harvesting periods throughout the year.

• Aman rice: This is the main rice crop, typically sown during the monsoon season (June-July) and harvested in autumn (November-December).
• Aus rice: This is an autumn rice crop, sown in spring (March-April) and harvested in summer (July-August).
• Boro rice: This is a winter rice crop, sown in winter (December-January) and harvested in spring (March-May). It is often grown in irrigated areas.

Therefore, 'Boro', 'Aman', and 'Aus' are distinctly names associated with rice cultivation.

Conclusion

Based on the identification of 'Boro', 'Aman', and 'Aus' as types of rice crops grown in different seasons, option 3 is the correct answer.

Revision Table: Important Crop Terms

Additional Information: Rice Cultivation in India

India is one of the world's largest producers and consumers of rice. Rice cultivation is heavily dependent on water, making it a primary Kharif crop (monsoon crop) in many regions. However, with irrigation facilities, rice is also grown in the Rabi and Zaid seasons, leading to terms like Aus, Aman, and Boro, especially in states with diverse climatic patterns or extensive irrigation networks like West Bengal and Assam.

The terms Aus, Aman, and Boro reflect the seasonality of rice cultivation adapted to local conditions and water availability. Aman is the most significant crop in terms of area and production, relying primarily on monsoon rains. Boro rice, being a winter crop, requires significant irrigation but offers high yields. Aus rice fits into a shorter cycle, grown before the main monsoon season.

Understanding these terms is crucial for studying agricultural practices, crop cycles, and food production patterns in India, particularly in the eastern parts of the country.