Deck 1: Geology and Types of Rocks: a Comprehensive Guide

Question 1

The rocks formed due to solidification of molten mass are called.

A)aqueous rocks
B)sedimentary rocks
C)metamorphic rocks
D)igneous rocks

Answer 1

igneous rocks

Question 2

Granite is an example of

A)aqueous rocks
B)sedimentary rocks
C)metamorphic rocks
D)igneous rocks

Answer 2

igneous rocks

Question 3

Solidification of molten magma at the surface of the earth results in the formation of

A)sedimentary rock
B)basalt and traps
C)granite
D)metamorphic rock

Answer 3

basalt and traps

Question 4

.Solidification of molten magma within the earth's crust results in the formation of

A)sedimentary rock
B)basalt and trap
C)granite
D)metamorphic rack

Question 5

Sedimentary rocks are formed due to

A)solidification of molten mass
B)gradual deposition of materials like sand, clay, generally by setting water
C)alteration of original stones under heat and pressure
D)none of the above

Question 6

Under metamorphism, which of the following changes is correct?

A)granite changes to gnesis.
B)trap and basalt change into laterite.
C)limestones change into marble.
D)all the above

Question 7

Granite has

A)crystalline, glossy and fused texture
B)foliated structure
C)layers of different compositions
D)none of the above

Question 8

The principal constituent of argillaceous rock is

A)Sand
B)lime
C)clay
D)all the above

Question 9

Laterite is chemically classified as

A)calcareous rock
B)siliceous rock
C)metamorphic rock
D)argillaceous rock

Question 10

Which of the following is an example of siliceous rock?

A)granite
B)gnesis
C)quartzite
D)all the above

Question 11

Marble is an example of

A)aqueous rock
B)metamorphic rock
C)sedimentary rock
D)igneous rock

Question 12

Slate is used for

A)building walls
B)road metal
C)manufacture of cement
D)roofing

Question 13

Which one of the following takes polish very well?

A)basalt and trap
B)granite
C)sandstone
D)quartzite

Question 14

The colour of granite is

A)grey
B)green
C)brown
D)all of these

Question 15

A fine grained granite

A)can be polished well
B)can be used for exterior facing of buildings
C)offers higher resistance to weathering
D)all of the above

Question 16

Siliceous sand subjected to metamorphic action is known as

A)laterite
B)murram
C)quartzite
D)dolomite

Question 17

When quarrying is to be done in hard and compact rocks, the usual method employed is

A)wedging
B)using channeling machine
C)blasting
D)all of the above

Question 18

Quarrying by using channeling machine is employed for quarrying in

A)soft rock
B)hard rock
C)sandstones
D)all the above

Question 19

Heating technique of breaking rocks is suitable if the aim is to get

A)aggregates
B)slabs
C)building blocks
D)none of the above

Question 20

The process of taking out stones of various sizes from natural rock is known as

A)dressing
B)seasoning
C)polishing
D)quarrying

Question 21

The process of giving required shape and size to stones is known as

A)dressing
B)seasoning
C)polishing
D)quarrying

Question 22

Boasted finish of dressing stone is

A)making non-continuous parallel marks
B)giving finish to a 20 mm margin only at edges
C)providing continuous lines on the face
D)working out 30-50 mm wide margin around the face with chisel

Question 23

Dressing of the stone is made

A)immediately after quarrying
B)after three months of quarrying
C)just before using for building works
D)after seasoning

Question 24

The most powerful explosive used in blasting is.

A)gunpowder
B)guncotton
C)dynamite
D)cordite

Question 25

Moisture absorption of a good stone should be less than

A)1%
B)5%
C)8%
D)12%