Question

Q50. Which of the following measures cannot improve the navigability of river channel?

1. Dredging

2. Building dams and barrages.

3. Stabilising river banks by concrete.

• A. (a) Only 1 and 2
• B. (b) Only 2 and 3
• C. (c) Only 1
• D. (d) None of the above

Answer 1

The correct option is D

(d) None of the above

Despite inherent limitations, many rivers have been modified to enhance their navigability by

1. Dredging, removing the silt by machines from the river bed.

2. Stabilizing river banks by concrete.

3. Building dams and barrages for regulating the flow of water.