Geography for UPSC IAS Civil Services Exam - Physical Geography MCQ

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প্রতিযোগিতামূলক চাকরীর পরীক্ষায় যে ধরনের প্রশ্ন আসার সম্ভাবনা , তার উপর ভিত্তি করে বাংলা MCQ

Questions At A Glance


TAGS

 1  Which of the following terms refers to the study of Earth's crust?

[A] Hydrology

[B] Seismology

[C] Geology

[D] Meteorology

ANS : Geology

 2  Which element is the most abundant in the Earth's crust by weight?

[A] Silicon

[B] Oxygen

[C] Aluminum

[D] Iron

ANS : Oxygen

 3  What is the boundary between the Earth's crust and mantle called?

[A] Lithosphere

[B] Asthenosphere

[C] Moho (Mohorovičić discontinuity)

[D] Outer core

ANS : Moho (Mohorovičić discontinuity)

 4  Which type of rock is most abundant in the Earth's continental crust?

[A] Basalt

[B] Granite

[C] Limestone

[D] Sandstone

ANS : Granite

 5  Which of the following is true about oceanic crust?

[A] It is thicker than continental crust.

[B] It is primarily composed of basalt.

[C] It is less dense than continental crust.

[D] It is mostly composed of granite.

ANS : It is primarily composed of basalt

 6  What is the Earth's crust mainly composed of?

[A] Iron and nickel

[B] Silica and alumina

[C] Oxygen and nitrogen

[D] Calcium and magnesium

ANS : Silica and alumina

 7  What is the thickness of the Earth's crust on average?

[A] 5-10 km

[B] 30-50 km

[C] 70-100 km

[D] 150-200 km

ANS : 30-50 km

 8  The crust and upper mantle together form which part of the Earth?

[A] Lithosphere

[B] Asthenosphere

[C] Mesosphere

[D] Outer core

ANS : Lithosphere

 9  What is the name given to the rigid outer layer of the Earth that includes the crust?

[A] Lithosphere

[B] Hydrosphere

[C] Atmosphere

[D] Biosphere

ANS : Lithosphere

 10  The process by which the Earth's crust is recycled is called:

[A] Subduction

[B] Convection

[C] Erosion

[D] Sedimentation

ANS : Subduction

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