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11.

Break down of rocks is due to:

A.	Gravity	B.	Mass movement
C.	Both (a) & (b)	D.	None of these

12.

Creep movements become faster on:

A.	Less vegetated surface	B.	Vegetated surface
C.	Steep slope	D.	Both (b) & (c)

13.

Accumulation of soil and rock debris through water in the form of one mass is called:

A.	Earth flow	B.	Scree slope
C.	Solifluction	D.	None of these

14.

The process of solifluction is common in ________ region:

A.	Subpolar	B.	Tropical
C.	Temperate	D.	None of these

15.

Slumping is a _______ process according to its speed:

A.	Faster	B.	Slow
C.	Normal	D.	None of these

16.

When the water supply is ample, mud flow moves:

A.	Rapidly	B.	Slowly
C.	Both (a) & (b)	D.	None of these

17.

Slide movements and mud flow are distinguished by their:

A.	Speed	B.	Gravity
C.	Both (a) & (b)	D.	None of these

18.

Water plays a lesser role in:

A.	Slide movements	B.	Creep movements
C.	Both (a) & (b)	D.	None of these

19.

Mass movement is always taking place at the:

A.	Vegetated area	B.	Bank of a stream
C.	Less vegetated area	D.	None of these

20.

Mass movement's knowledge can help in:

A.	Planning and policy making	B.	Break down of rocks
C.	Both (a) & (b)	D.	None of these