Question

Assertion A: Sub-surface drainage is long lasting and has lesser maintenance.
Reason R: In surface drainage system weed growth and farm machinery movement interrupts flow.
In light of the above statements, choose the most appropriate answer from the options given below:

• A. Both A and R are correct and R is the correct explanation of A
• B. Both A and R are correct but R is NOT the correct explanation of A
• C. A is correct but R is not correct
• D. A is not correct but R is correct

Hint:

Sub-surface drainage: pipes buried underground.
It is long lasting and requires less maintenance.
Surface drainage: open ditches, prone to weed growth and damage.

Answer 1

The Correct Option is B