Arrange the following soils of India according to USDA soil taxonomy classification by ICAR in decreasing order of their area coverage:

The largest geographical area of India is covered by which one of the following types of soils?

In which one of the following areas in India , the problem of soil erosion is critical?

In which of the following regions of India, black soil is found ?

Which of the following statements regarding laterite soils of India is correct?

Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation Select the correct answer using the codes given below :