geomorphology & earth landforms section 10 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT indian geography mcq - 10 EXERCISES

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The following question based on Geomorphology & Earth landforms topic of indian geography mcq

Questions : Extensive deserts occur in the western tropical regions of continents because :

(a) of the effect of both the offshore easterly trade winds and cold ocean currents.

(b) of easterly trade winds.

(c) the rate of evaporation is greater along the western margin areas.

(d) cold ocean currents flow along the western coasts.

The correct answers to the above question in:

Answer: (a)

Extensive deserts occur in the western tropical regions of continents because of the effect of both the offshore easterly trade winds and cold ocean currents. Most deserts arise due to atmospheric wind conditions.

Other deserts result from the effects of ocean currents on landmasses, where cool air masses carry fog and mist, but little rain, along coastal regions. The world desert map depicts the location of all the deserts of the world.

They are centred along the Tropics of Cancer and Capricorn. The heart of the tropical desert climate is found near the tropics of Cancer and Capricorn, usually toward the western side of the continents.

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Read more geomorphology earth landforms Based Indian Geography Questions and Answers

Question : 1

The majority of Earth’s crust is composed of which rock?

a) Sedimentary

b) Igneous

c) Carbonate

d) Metamorphic

Answer: (b)

The Earth is composed predominantly of a large mass of igneous rock with a very thin veneer of weathered material—namely, sedimentary rock. Igneous rocks are formed from the solidification of magma, which is a hot molten or partially molten rock.

Igneous and metamorphic rocks make up 90–95% of the top 16 km of the Earth’s crust by volume.

Question : 2

Limestone is an example of

a) igneous rocks

b) sedimentary rocks

c) volcanic rocks

d) metamorphic rocks

Answer: (b)

Question : 3

Through which one of the following groups of countries does the Equator pass?

a) Brazil, Sudan and Malaysia

b) Brazil, Zambia and Malaysia

c) Venezuela, Ethiopia and Indonesia

d) Colombia, Kenya and Indonesia

Answer: (d)

Question : 4

The most abundant gas emitted from volcanoes is

a) Sulphur Dioxide

b) Water Vapour

c) Carbon Dioxide

d) Helium

Answer: (b)

Question : 5

What is meant by Isthmus?

a) Narrow strip of land dividing two oceans

b) Mouth of a river where it joins the sea

c) Narrow strip of land connecting two large areas of land

d) Narrow strip of water dividing two land masses

Answer: (a)

An isthmus is a narrow strip of land connecting two larger land areas, usually with water on either side.

The Panama Canal crosses the Isthmus of Panama, connecting the North Atlantic and Pacific Oceans; the Suez Canal connects the Mediterranean Sea and the Indian Ocean, cutting across the western side of an isthmus formed by the Sinai Peninsula. Strait is the sea counterpart of the isthmus.

Question : 6

Block Mountains are basically of two types, e. g.

  1. tilled block mountains having one steep side represented by fault scarp and one gentle side, and;
  2. lifted block mountains represent real horst and are characterized by flattened summit of tabular shape and very steep side slopes represented by two boundary fault scarps. Block Mountains are also called Horst Mountains.
Which of the above classification of Block Mountains correct?

a) 1 and 2

b) 1 only

c) None

d) 2 only

Answer: (a)

Motored by Endogenic forces coming from within the earth.

Block Mountains are basically of two types, e. g. tilled block mountains having one steep side represented by fault scarp and one gentle side, and lifted block mountains represent real horst and are characterized by the flattened summit of tabular shape and very steep side slopes represented by two boundary fault scarps. Block mountains are also called horst mountains. Block mountains are found on all the continents, for example, Young block mountains around Albert Warner.

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