pedology or soil & agriculture section 1 MCQ Questions & Answers Detailed Explanation

Answer: (d)

Sweet potato may be grown either on hills or beds. Rows need to be spaced 90-120 cm apart with plants spaced 30-40 cm apart in the row.

It is known in Nepal as ‘Sakar kand.’ It is grown both in the terai and the mid-hills throughout the country. It is the second most important root crop after potato in terms of production and area.

Answer: (a)

Laterite has been derived from the Latin word ‘later’ which means brick. The laterite soil develops in areas with high temperature and heavy rainfall. This is the result of intense leaching due to heavy rain.

The Humus content of the soil is low because most of the microorganisms, particularly the decomposers, like bacteria, get destroyed due to high temperature.

Answer: (b)

Answer: (d)

Answer: (a)

Lateritic soils are the most weathered and infertile of all soil types. Due to intensive leaching and low base-exchange capacity, typical lateritic soils are generally infertile and of little value for crop production (Geography of India by Smita Sengupta, p 63).

Answer: (b)