Which one among the following statements with reference to the black cotton soils of India is NOT correct?

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

Which one of the following soils is ideal for growing cotton?

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 is concerned with soil?

Which one of the following is not a soil forming factor ?