Home PYQs UPPSC UPPSC MCQs Prelims 2013 (GS Paper I)

Question

Assertion (A): Black soils are suitable for cotton cultivation.
Reason (R): They are rich in humus.

Select the correct answer from the codes given below:

  1. Both (A) and (R) are true, and (R), but (R) is the correct explanation of (A).
  2. Both (A) and (R) are true, and (R), but but (R) is not the correct explanation of (A).
  3. (A) is true, but (R) is false.
  4. (A) is false, but (R) is true.

Answer:

Option C: (A) is true, but (R) is false.

Detailed Solution:

The correct answer is “(A) is true, but (R) is false.”.

Black or regur is a mature soil that is found mainly in the lava region of the Peninsular Plateau. Black soil is most suitable for cotton cultivation.

There is sufficient amounts of limestone, potash, magnesium, alumina and iron, however it is deficient in Nitrogen, Potassium, Phosphorous and humus.