geomorphology & earth landforms section 8 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6 [UPPCS (Pre) 2005]

The Death Valley is known for its

a) Abnormal Depth

b) Excessive Heat (Hotness)

c) Excessive Salinity

d) Excessive Coldness

Answer: (b)

Question : 7 [SSC DEO & LDC 2014]

The area marked by internal drainage

a) Deserts

b) Plateau

c) Mountains

d) Plains

Answer: (a)

Internal drainage is a closed drainage basin that retains water and allows no outflow to other external bodies of water, such as rivers or oceans, but converges instead into lakes or swamps.

Such drainage can occur in any climate but are most commonly found in desert locations. For example, the Luni River in Rajasthan has an internal drainage system.

Question : 8

Assertion (A):
Granite has larger crystals than basalt.
Reason (R):
Basalt has larger content of metallic minerals.

a) A is true but R is false

b) Both A and R are true and R Explains A

c) A is false but R is true

d) Both A and R are true but R does not explain A

Answer: (d)

The crystal size in the igneous rocks is more a function of the quickness of the process of cooling rather than of the mineral content.

The mineral content determines the melting point of the rocks and the basaltic lava having a higher content of metallic minerals solidifies rapidly once it reaches the surface.

Question : 9 [SSC GLT 2013]

Ice glacier’s melting is a common phenomenon linked to the rise in seawater level. The glaciers are predominantly present in

a) Himalayas

b) Greenland

c) Arctic

d) Antarctica

Answer: (d)

One of today’s prevalent water issues is the rise in sea level. It is mainly caused by two phenomena: global warming and ozone depletion. Polar ice caps in Antarctica and other places are melting fast. This has led to increase in sea level over the years.

Question : 10 [SSC CML 2001]

The temperature of water at the bottom of a large waterfall is higher than that of the water at the top. because

a) the kinetic energy of the falling water is converted into heat.

b) the falling water absorbs heat from the Sun.

c) rocks on the bed of the river give out heat.

d) the water at the bottom has greater potential energy.

Answer: (a)

The water gains kinetic energy as it falls down and loses its potential energy. Assuming no other losses, part of the kinetic energy gain of water is converted into heat, raising the temperature of water.

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976 Geomorphology & Earth landforms based indian geography mcq section 8 question answer with explanation pdf

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