Q:

Which of the following statements regarding soils of Rajasthan is/are correct? Select the correct answer using the codes given below -
i) In the Thar desert sandy soils have been formed from granitic and sandstone rocks
ii ) In the southern part red loamy soils have been formed from granite, gneiss and quartzite rocks
iii ) In the south - eastern part black soils have been formed from the erosion of basaltic lava
iv ) In the southern part mixed red soils have been formed from the erosion of phosphatic rocks
Codes – 

• 1
  (i), (ii) and (iv)
• 2
  (ii), (iii) and (iv)
• 3
  (i), (ii) and (iii)
• 4
  (iii) and (iv)