Question

Which of the following is not a method of control of mass movement?

(a) Afforestation

(b) Retaining wall

(c) Chemical treatment of rocks

(d) Deforestation

This question was posed to me by my school principal while I was bunking the class.

This interesting question is from Monitoring and Control of Mass Movements topic in section Mass Movements of Engineering Geology

Answer 1

Correct choice is (d) Deforestation

For explanation: The widely adopted methods for control of mass movements include, construction of retaining walls, chemical treatment of rocks, rock bolting and to some extent afforestation can avoid mass movements, but, deforestation promotes mass movements.