It is important to make check dams across the flooded gullies because they
(i) hold water for irrigation
(ii) hold water and prevent soil erosion
(iii) recharge ground water
(iv) hold water permanently

Options

A. (i) and (iv)
B. (ii) and (iii)
C. (iii) and (iv)
D. (ii) and (iv)

Answer

B

Explanation

It is important to make small check dams across the flooded gullies because they recharge groundwater. These small dams helps to hold water. This provides moisture for the vegetation cover, thus preventing soil erosion.