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Multiple Choice Questions GK on Rocks and minerals

Question 1 : Which process is necessary for the formation of igneous rocks?

A. solidification

B. metamorphism

C. deposition

D. erosion

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Question 2 : Which one of the following is generally found in sedimentary rocks?

A. Magnesium

B. Shale

C. Silica

D. Basalt

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Question 3 : Which one among the following rocks does not belong to the same group?

A. Sandstone

B. Slate

C. Limestone

D. Shale

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Question 4 : Which one among the following is a primary rock?

A. None of the above

B. Metamorphic

C. Igneous

D. Sedimentary

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Question 5 : Which of these is not responsible for the formation of igneous rock?

A. lava

B. magma

C. liquid rock

D. sediments

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Question 6 : Which of the following rocks is different from others?

A. limestone

B. sandstone

C. gypsum

D. marble

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Question 7 : Which characteristic of rocks tends to increase as the rocks are metamorphosed?

A. number of fossils present

B. permeability

C. porosity

D. density

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Question 8 : The earths crust is the thinnest

A. at mid-oceanic ridges

B. at ocean bottoms

C. under continental masses

D. under the mountain ranges

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Question 9 : The Deccan Trap Formation was caused by

A. Flood basalt eruption

B. Caldera eruption

C. Composite eruption

D. Shield eruption

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Question 10 : The Damuda series of Gondwana system has three stages, namely, Raniganj, Barren Rocks and Barakar. The middle stage is called Barren because

A. it is a sedimentary layer consisting of shale and clay

B. it consists of neither coal nor iron

C. it consists of iron and not coal

D. it consists of coal and not iron

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Question 11 : Magma that cools slowly beneath the earths surface produces

A. extrusive igneous rocks

B. fine-grained metamorphic rocks

C. intrusive igneous rocks

D. marble

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Question 12 : In which type of rock would you expect to find fossils?

A. marble

B. shale

C. obsidian

D. granite

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Question 13 : In which among the following terrains the bore wells and canals can be dug easily?

A. Confined aquifer below the normal water table

B. Soft alluvium of the Northern Plains

C. Rolling and dotted hilly terrain of North-east India

D. Gneiss, granites and basaltic terrain of Peninsular India

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Question 14 : Igneous, sedimentary, and metamorphic rocks are usually composed of

A. sediments

B. fossils

C. minerals

D. intergrown crystals

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