ROCKS AND MOUNTAINS MCQS SET 15

ROCKS AND MOUNTAINS MCQS SET 15

1. Artesian wells are found in :
(a) sedimentary rocks
(b) igneous rocks
(c) metamorphic rocks
(d) none of these
Ans: (a)
 
2. Sedimentary rocks are formed by the process of:
(a) metamorphism
(b) weathering
(c) deposition
(d) both (b) and (c)
Ans: (d)

3. Choose the correct statement about Sedimentary rocks:
(a) These rocks cannot be formed under water
(b) These rocks are crystalline
(c) The structure of these rocks is contingent on heat and pressure
(d) These rocks have been deposited in layers
Ans: (d)
 
4. The igneous rocks are formed due to :
(a) accumulation of sediments at the bottom of sea
(b) granitisation
(c) disintegration of magma
(d) altering of metamorphic rocks
Ans: (b)
 
5. The formation of Extrusive rocks takes place:
(a) By solidification of magma above the earth's surface
(b) Due to excessive pressure at great depths
(c) By deposition of magma at a great depth
(d) At an intermediate depth by transformation
Ans: (a)