Rocks and Minerals Objective Questions Answers
MCQ on rocks and Minerals plays an important role in any upcoming competitive examinations like IAS, UPSC, SSC CGL, and Banking. On this page, you can find the most expected questions which may play a crucial role in any exam. Also, I am providing some questions which already came in various exams. So, let’s take a look. This is the first set of multiple-choice questions on rocks and Minerals.
Q.1> Coals and petroleum found in _________ types of rocks.
A: Granite rock
B: Igneous rock
C: Metamorphic rock
D: Sedimentary rock.
Q.2> Which metal is the most abundant in the earth’s crust?
Q.3> What the molten rock is known when it stays under the surface of earth?
[Railway Gr-D 1993]
Q.4> When molten rock comes out the surface of earth, it is known as –
Q.5> How the Himalayas are formed?
A: due to pressure of two large landform.
B: due to weakness of the earth crust
C: due to folding of the earth crust.
D: due to folding of the geosyncline named Tethys.
Due to folding of the geosyncline name Tethys.
Q.6> Which process is known as chemical weathering process?
A: Expansion due to thermal energy
B: Frost action
C: Oxidation and Reduction
D: Hydraulic action.
Oxidation and Reductions.
Q.7> ____________ predominantly acts as the agent of chemical erosion of soil.
C: Underground water
Q.8> Which of the following condition is most ideal for chemical weathering?
A: Cold and dry
B: Cold and humid
C: Hot and dry
D: hot and humid
Hot and Humid.
Q.9> Process of chemical weathering is represented by-
A: expansion and contraction due to heat.
B: Mass exfoliation
C: growth of crystal and frost action
D: Hydration and Hydrolysis.
Hydration and Hydrolysis
Q.10> How the soil erosion can be prevented?
A: Growing plants on a large-scale
B: Increasing cohesive force between the molecule by adding chemicals.
C: Making the land incline.
Growing plants on a large-scale.
Q.11> Which of the following is an example of potholes in river beds?
Q.12> Which is the principle cause of exposure of rock to the changes in temperature?
A: Mechanical weathering
B: Chemical weathering
C: Biological weathering
D: Mortification weathering
Q.13> The climate condition which conducts mechanical weathering is/are
i) hot ii) cold iii) wet iv) dry
A: options i) and ii)
B: option iii) only
C: options iii and iv
D: options i) and iii)
Hot and wet so options i) and iii)
Q.14> Which of the following is known when the rock is removed layer by layer due to weathering?
B: block disintegration
D: granular disintegration
Q.15> Why the denudational processes have not reduced the landmasses to a level surface?
A: Because the earth movements have uplifted the landmass
B: Because of changing sea level
C: Because lack of time
D: The atmosphere is changing.
The earth movement has uplifted the landmass.
Q.16> Bowl-shaped depression is also called as –
A: Glacial trough
Q.17> The breakdown of minerals due to the decaying vegetation producing organic acid is called-
A: Biological weathering
B: Degradational weathering
C: Chemical weathering
D: Physical weathering
Q.18> What does the residual hill known in desert region?
Q.19> Wadi a kind of valley has occurred
A: at hot desert with occasional heavy rainfall.
B: at high mountain range where precipitation is high.
C: at the beach where enough sand exists.
D: at the polar region when ice starts to melt.
at hot desert with occasional heavy rainfall.
Q20> Match the following
a) river 1) Cirque
b) Glacier 2) Stalagmite
c: Underground water 3) Meander
d) Wind 4) Barchan
A: a-5, b-2, c-3, d-4
B: a-4, b-1, c-2, d-5
C: a-4, b-2, c-5, d-3
D: a-1, b-5, c-4, d-3
B, a-4, b-1, c-2, d-5