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Question-1
What is Haloclasty?
(A)
Salt crystallization on rocks
(B)
It is a type of thermal stress on rocks
(C)
It is a type of biological weathering
(D)
It is type of frost weathering on rocks
Question-2
In how many groups are glaciers grouped in to?
(A)
Two
(B)
Three
(C)
Four
(D)
Five
Question-3
Of the following which one is fertile formation?
(A)
Zeugen
(B)
Loess
(C)
Barchans
(D)
Yardang
Question-4
Which statement is true?
(A)
Glaciers are found only in polar regions.
(B)
Glaciers are found in polar regions and Himalayan region only.
(C)
Glaciers are found in every continent.
(D)
Glaciers are found in every continent except in Australia.
Question-5
Identify an erosional process from the following.
(A)
Hydrolysis
(B)
Haloclasty
(C)
Frost weathering
(D)
Attrition
Question-6
What is abrasion of rocks?
(A)
Breaking down of rocks under the impact of flow of water.
(B)
Mechanical grinding of river's traction load against the banks and bed of river.
(C)
Chemical erosion of rocks.
(D)
Oxidation of rocks.
Question-7
What are Barchans?
(A)
Fine dust blown beyond desert
(B)
Zeugen
(C)
Crescent moon shaped sand dunes
(D)
Wind abraded ridge.
Question-8
What is the main reason for breaking of rocks?
(A)
Chemical changes
(B)
Biological changes
(C)
Salt growth
(D)
Temperature changes
Question-9
Which type of weathering is common in desert regions?
(A)
Frost weathering
(B)
Chemical weathering
(C)
Biological weathering
(D)
Thermal Stress weathering
Question-10
Choose the odd one
(A)
Mesas
(B)
Buttes
(C)
Ventifacts
(D)
Erratics
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Std 7
Tamil Nadu (English Medium)
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