Q. Consider the following statements regarding “Cauvery River Basin”:
1. The basin lies in the States Tamil Nadu, Karnataka and Kerala and Andhra Pradesh.
2. Cauvery basin consists of about 3% of the cultivable area of the country.
Which of the statements given above is/are correct?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: B
Notes:

Cauvery basin extends over an area of 87,900 sq. km. which is nearly 2.7% of the total geographical area of the country.  

  • It is bounded by the Western Ghats on the west, by the Eastern Ghats on the east and south and by the ridges separating it from Krishna basin and Pennar basin on the north.  
  • The basin lies in the States Tamil Nadu, Karnataka and Kerala. Physiographically, the basin can be divided into three parts—the Western Ghats, the Plateau of Mysore and the Delta. The delta area is the most fertile tract in the basin.  
  • The principal soil types found in the basin are black soils, red soils, lateritic, alluvial soils, forest soils and mixed soils. Red soils occupy large areas in the basin.  
  • Alluvial soils are found in the delta areas. The cultivable area of the basin is about 5.8 Mha which about 3% of the cultivable area of the country. 

Source: NCERT – XI Indian Physical Environment and The Hindu