MCQ
Assertion (A): Tank irrigation needs hard impervious underground rocks but soft rocks too are useful
Reason (R): Hard rocks prevent percolation and make water available on the surface but in second case, the percolated water raises the ground water table.
Reason (R): Hard rocks prevent percolation and make water available on the surface but in second case, the percolated water raises the ground water table.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true and R is the not correct explanation of A
- CA is true but R is false.
- ✓A is false but R is true