Which of the following soils of India has been formed due to weathering of basaltic lava ?

The black cotton soil of India has been formed due to the weathering of :

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

In which of the following regions of India, black soil is found ?

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

Which one of the following soils is deposited by rivers?