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Question-1
Assertion (A): Weathering of granite results in a thin, gritty soil cover.
Reason (R): Granite has great physical strength and is highly resistant to weathering.
(A)
Both A and R are true and R is the correct explanation of A.
(B)
Both A and R are true but R is not a correct explanation of A.
(C)
A is true but R is false
(D)
A is false but R is true
Question-2
When does deposition occur in a river?
(A)
As a river speeds up and loses its energy
(B)
As a river speeds up and gains energy
(C)
As a river slows down and loses its energy
(D)
As a river slows down and gains energy
Question-3
The rate of chemical weathering is increased by acids. The most common natural acid on the Earth's surface.
(A)
Nitric acid
(B)
Carbonic acid
(C)
Sulphuric acid
(D)
Acetic acid
Question-4
Which of the following are true with respect to the wave by refraction?
(A)
Speed is reduced & wave front is altered
(B)
Speed is increased and wave front is altered
(C)
Both the speed and wave front doesn't change
(D)
Speed is reduced & wave front is unaltered
Question-5
In which part of the river does a floodplain begin to form?
(A)
Upper course
(B)
Middle course
(C)
Lower course
(D)
Both in the upper and middle course
Question-6
Caves are most likely to form in which of the following rock types?
(A)
Granite
(B)
Limestone
(C)
Basalt
(D)
Sandstone
Question-7
How is the primary agent of chemical weathering, carbonic acid produced?
(A)
Carbon dioxide dissolving in rainwater
(B)
Plant roots
(C)
Bacteria that feed on plant and animal remains
(D)
All of these
Question-8
The largest barrier reef system in the world.
(A)
Beqa Barrier reef
(B)
Great Barrier Reef
(C)
Lesser Antilles in the Caribbean
(D)
Barrier reef of Florida
Question-9
An estuary is a body of water where:
(A)
A river begins
(B)
Salt water and fresh water meet
(C)
The water runs very rapidly
(D)
Some irrigation is used
Question-10
In which of the following locations are saltmarshes typically found?
(A)
Low-energy coastal lines
(B)
Behind spits and barrier islands
(C)
In estuaries and harbours
(D)
All of the above
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Cambridge Secondary Grade 9
IGCSE
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