1951. A river bend characterized by silting_______________?

A. scouring on concave side
B. silting on convex side
C. scouring on convex side and on concave side
D. scouring on concave side and silting on convex side
✅ The correct answer is option D.

1956. A land is known as waterlogged_________________?

A. when the permanent wilting point is reached
B. when gravity drainage has ceased
C. capillary fringe reaches the root zone of plants
D. none of the above
✅ The correct answer is option C.

1957. If there are two canals taking off from each flank of a river, then there will be____________________?

A. one divide wall and one undersluice
B. one divide wall and two undersluices
C. two divide walls and one undersluice
D. two divide walls and two undersluices
✅ The correct answer is option D.