Lithosphere – I Endogenetic Processes Book Back Questions & Answers

1. i. Mt. Fuji is a dormant volcano ii. Mt. Kilimanjaro is a dormant volcano iii Mt. Tanzania is a dormant volcano Which of the statement(s) is are true

a. i is true

b. ii is true

c. iii is true

d. I, ii, iii are true

Correct answer: a. i is true

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2. Statement: Magma gushes out when it finds vents. Reason: Interior of the Earth contains compressed hot magma Which of the statement(s) is are true

a. Statements & reason are true

b. Statements is true, reason is false

c. Statement is false reason is true

d. Statement & reason are false

Correct answer: a. Statements & reason are true

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3. Statement I: Mountain ranges are formed by the collision of tectonic plates Statement II: The movement of tectonic plates is due to the thermal energy from the mantle

a. Statement I is false II is true

b. Statement I and II are false

c. Statement I is true II is false

d. Statement I and II are true

Correct answer: d. Statement I and II are true

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1. SIAL floats over SIMA.

Correct answer: (i) SIAL floats over SIMA because SAIL is less dense and lighter. (ii) SIAL consists of Silica and Aluminium which is lighter than SIMA which contains silica and Magnesium. Therefore SIAL floats or SIMA.

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2. Igneous rocks are also called Primary Rocks or Mother rocks.

Correct answer: Igneous rocks are also called Primary Rocks or Mother rocks because all other rocks are directly or indirectly formed from them.

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1. ______is the rigid outer layer of the Earth.

a. core

b. mantle

c. Crust

d. inner corec.

Correct answer: c. Crust

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2. ______ layer is made up of liquid iron

a. Inner core

b. Outer core

c. Mantle

d. Crust

Correct answer: b. Outer core

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3. Magma is found in the______

a. crust

b. mantle

c. core

d. None of the above

Correct answer: b. mantle

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4. Diastrophism is connected to_____

a. volcanism

b. earthquakes

c. tectonics

d. fold/fault

Correct answer: d. fold/fault

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5. The movement of tectonic plates is induced by ______ energy.

a. hydel

b. thermal

c. wave

d. tidal

Correct answer: b. thermal

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6. In the ancient period, Gondwanaland moved towards _________ direction.

a. north

b. south

c. east

d. west

Correct answer: a. north

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7. Many million years ago , India was a part of the super continent_____

a. Gondwana

b. Laurasia

c. Panthalasa

d. Pangea.

Correct answer: a. Gondwana

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8. The movement of plates that creates stress and tension in the rocks causing them to stretch and cracks result in _______

a. fold

b. fault

c. mountain

d. earthquake

Correct answer: b. fault

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9. _____ refers to a bowl-shaped depression found at the top of the volcano.

a. crater

b. vent

c. chamber

d. volcanic cone

Correct answer: a. crater

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10. The point of origin of an Earthquake is called the _________

a. epicentre

b. focus

c. seismic wave

d. magnitude

Correct answer: b. focus

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1. Endogenetic process

Correct answer: Volcanic

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2. Mantle

Correct answer: SIMA

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3. Convergent boundaries

Correct answer: Subduction Zone

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4. Earthquake

Correct answer: Seismograph

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5. Composite volcano

Correct answer: Pacific Ocean

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