CBSE Class 11 Geography - MCQ and Online Tests - Unit 3 - Interior of the Earth

CBSE Class 11 Geography – MCQ and Online Tests – Unit 3 – Interior of the Earth

Every year CBSE schools conducts Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standard’s subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

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CBSE Class 11 Geography – MCQ and Online Tests – Unit 3 – Interior of the Earth

Question 1.
What is the mean thickness of oceanic crust?
(a) 5 km
(b) 30 km
(c) 10 km
(d) 70 km

Answer

Answer:(a) 5 km

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Question 2.
Earthquake waves are recorded on the
(a) Seismograph
(b) Barograph
(c) Pantograph
(d) Ergograph

Answer

Answer:(a) Seismograph

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Question 3.
Which one of the following describes the lithosphere?
(a) Upper and middle mantle
(b) Crust and upper mantle
(c) Crust and core
(d) Mantle and core

Answer

Answer:(b) Crust and upper mantle

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Question 4.
The magnitude of an earthquake is measured in
(a) Richter Scale
(b) Mercalli scale
(c) Measuring scale
(d) Seismograph

Answer

Answer:(a) Richter Scale

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Question 5.
Magma refers to ____
(a) Rocks
(b) Material in the upper mantle
(c) Material in the upper core
(d) Material in the crust

Answer

Answer:(b) Material in the upper mantle

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Question 6.
Which one of the following describes the lithosphere?
(a) Upper and middle mantle
(b) Crust and upper mantle
(c) Crust and core
(d) Mantle and core

Answer

Answer:(b) Crust and upper mantle

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Question 7.
What is the thickness of the earth’s crust in the Himalayan region?
(a) 75 kms
(b) 60 kms
(c) 70 kms
(d) 65 kms

Answer

Answer:(c) 70 kms

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Question 8.
The upper portion of the mantle is known as
(a) Asthenosphere
(b) Crust
(c) Lithosphere
(d) Fossil Sphere

Answer

Answer:(a) Asthenosphere

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Question 9.
Which one of the following is a direct source of the information about the interior of the Earth?
(a) Earthquake waves
(b) Volcanoes
(c) Gravitational force
(d) Earth magnetism

Answer

Answer:(a) Earthquake waves

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Question 10.
What is the density of the rocks between the adjoining line on mantle and core?
(a) 3-4 gm. per sq. cm
(b) 5 gm. per sq. cm
(c) 4-5 gm. per sq. cm
(d) 6 gm. per sq. cm

Answer

Answer:(b) 5 gm. per sq. cm

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Question 11.
What is the approximate depth of the mantle?
(a) 2400 km
(b) 2900 km
(c) 3200 km
(d) 3500 km

Answer

Answer:(b) 2900 km

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Question 12.
The Deccan trap is a large
(a) flood plain
(b) flood basalt province
(c) lava plain
(d) shield volcano

Answer

Answer:(b) flood basalt province

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Question 13.
What is the thickness of the crust?
(a) 10 km to 200 km
(b) 5 km to 30 km
(c) 30 km to 400 km
(d) 100 km to 200 km

Answer

Answer:(a) 10 km to 200 km

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Question 14.
Which is not a type of volcano?
(a) Shield volcano
(b) Composite volcano
(c) Ridge volcano
(d) Caldera

Answer

Answer:(c) Ridge volcano

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Question 15.
Volcanoes are
(a) indirect source of information about the earth’s interior.
(b) direct source of information about the interior of the earth.
(c) not a source of information about the interior of the earth.
(d) good source to ascertain earth’s temperature.

Answer

Answer:(b) direct source of information about the interior of the earth.

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