Rocks – MCQ || Building Material & Geology

Rocks – MCQ

1. Which rocks are formed due to the cooling of magma

a) Igneous rocks.
b) Sedimentary rocks.
c) Metamorphic rocks.
d) None.

2. Plutonic rock is a type of

a) Igneous rock.
b) Sedimentary rock.
c) Metamorphic rock.
d) None.

3. Which rocks are formed due to the cooling of magma at a relatively shallow depth

a) Plutonic rocks.
b) Hypabyssal rocks.
c) Volcanic rocks.
d) Metamorphic rocks.

4. The rocks which are formed due to the pouring of magma at the earth’s surface

a) Plutonic rocks.
b) Hypabyssal rocks.
c) Volcanic rocks.
d) Metamorphic rocks.

5. The rocks which are formed due to change in the character of the pre-existing rocks are

a) Igneous rocks.
b) Sedimentary rocks.
c) Metamorphic rocks.
d) Plutonic rocks.

6. Clay is the predominant constituent of ___ rocks.

a) Siliceous.
b) Argillaceous.
c) Calcareous.

7. Which is the predominant constituent of calcareous rocks

a) Silica.
b) Clay.
c) Calcium carbonate.
d) None.

8. Which is the predominant constituent of Siliceous rocks.

a) Silica.
b) Clay.
c) Calcium carbonate.
d) None.

9. Calcareous rocks are

a) Limestone.
b) Marbel.
c) Granites.
d) Both (a) and (b).

10. Example of Argillaceous rocks is

a) Limestone.
b) Slates.
c) Granites.
c) Quartzites.

11. Example of Siliceous rocks is

a) Limestone.
b) Laterites.
c) Marble.
c) Quartzites.

12. The definite shape of the rock is

a) Rectangular.
b) Angular.
c) Round.
d) None.

13. The rocks which contain only one mineral is known as

a) Polyminerallic rocks.
b) Monomineralic rocks.
c) Tripomineralic rock.
d) None.

14. Which rocks have a tendency to split in a definite direction only

a) Unstratified rocks.
b) Stratified rocks.
c) Foliated rocks.
d) None of these.

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