In India, the problem of soil erosion is associated with which of the following? 1. Terrace cultivation 2. Deforestation 3. Tropical climate Select the correct answer using the code given below.

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 :

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…

Given below are two statements, in which one is labelled as Assertion (A) and the other as Reason (R): Assertion (A): Saline soils in India are not appropriate for cultivation of crops. Reason (R): S…

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…

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…