Which of the following statements is/are true for alluvial soil? I. Its sand content decreases from west to east. II. They are in the form of Bhangar and Khadar. III. This soil covers about 40 percent of the total area of the country. IV. This soil is rich in potash and poor in phosphorus. Select the correct answer from the options given below:

Which of the following statements is correct about laterite soil? (1) This soil is developed in areas with high temperature and heavy rainfall. (2) It is poor in iron oxide and aluminium. Select the…

Which of the following statements with reference to saline soil in India is/are correct? 1. They are rich in nitrogen. 2. They occur in arid and semi-arid regions, and in waterlogged and swampy areas…

Which of the following statements with reference to saline soil in India is/are correct? 1. They are rich in nitrogen. 2. They occur in arid and semi-arid regions, and in waterlogged and swampy areas…

Which of the following statements about Laterite Soil in India is/are correct? 1. It develops in areas with high temperature and heavy rainfall 2. It is rich in organic matter and nitrogen 3. It is f…

Given below are two statements, in which one is labelled as Assertion (A) and the other as Reason (R) - Assertion (A) : The colour of Red Soil is due to the wide diffusion of iron rather than to a hi…