Question

2. Identify the odd one out with the respect of water
conservation.
A) Contour banding (Digging trenches across the slope)
B) Percolation tanks
C) Forest development
D) Excessive digging of bore wells for irrigation.​

Answer 1

Answer:

B) is the right answer that I now

Answer 2

Percolation tank

Percolation tank is an artificially created surface water body, submerging in its reservoir a highly permeable land so that surface runoff is made to percolate and recharge the ground water storage. ... The percolation tanks are mostly earthen dams with masonry structure only for spillway