Which of the following statements regarding soil is NOT correct?

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

Which of the following statement is incorrect in reference to compost?

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

Which of the following statements is not true, with respect to 'Laterite soils' in India?

Choose the correct statement out of the four statements given regarding alluvial soil: