NCERT Class 11 Chapter 5 Geography Minerals and Rocks MCQ | Questions & Answers: Students of the NCERT Class 11 can check out this article to attempt the Chapter 5 Geography Minerals and Rocks MCQ Quiz. This article not only allows you to make use of the quiz but also help you to view the correct answers for the questions you have attempted.

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1. What is the percentage of oxygen in the earth’s crust by weight?

A. 46.60%

B. 27.72%

C. 8.13%

D. 5.00%

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2. What is the basic source of all minerals in the earth’s crust?

A. upper surface

B. magma

C. crust

D. none of them

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3. Which one is the most important component of Quartz?

A. sand

B. granite

C. both of them

D. none of them

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4. Which one is not the component of pyroxenes?

A. calcium

B. magnesium

C. iron

D. granite

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5. Which are the major elements of Olivine?

A. iron

B. silica

C. magnesium

D. all of them

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6. Which one is the metallic mineral?

A. silica

B. carbon

C. oxygen

D. gold

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7. Out of these which do not contain the metal content?

A. sulphur

B. nitrates

C. phosphates

D. all of them

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8. The science of rocks is known as

A. Geology

B. Zoology

C. Petrology

D. none of them

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9. The rocks which are formed from solidified magma and lava are known as

A. Sedimentary

B. Igneous

C. Sand rocks

D. Metamorphic

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10. What kind of rocks are formed by the deposition/cementation of the fragments?

A. Sedimentary

B. Igneous

C. Pegmatitic

D. Metamorphic

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11. Which are the hoarse grained rocks with wide range of composition?

A. Pegmatitic granite

B. Pegmatitic diorite

C. both of them

D. none of them

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12. Granite is a type of rock:

A. Granitoid

B. Pegmatitic

C. Glassy

D. Aphantic

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13. Which one is the type of extrusive rock?

A. Granitoid

B. Glassy

C. Fragmental

D. Aphantic

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14. Deposition cementation of the fragments by external agencies is known as

A. Sedimentation

B. Metamorphism

C. Lithification

D. none of these

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15. Which kind of rocks are formed by the active participation of animals and plant secretions?

A. Siliceous rocks

B. Sand rocks

C. Fragmental rocks

D. Glassy rocks

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16. Which kind of rocks are formed by the compressed and altered vegetable matters containing large amount of carbon?

A. Peat

B. Sand rocks

C. Fragment

D. Glassy

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17. What is formed by the deposition from concentrated solution of brines?

A. Salts

B. Peat

C. Limestone

D. Sand

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18. Name the type of rocks in which original grains get rearranged into more or less perfect bands or layers.

A. Salts

B. Foliated

C. Calcareous

D. Granite

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19. Which one is the example of salt rock?

A. Halite

B. Gypsum

C. Potash

D. all of them

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20. When rocks are forced down to lower levels by tectonic processes, the process is known as

A. Sedimentation

B. Metamorphism

C. none of them

D. both of them

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21. Metamorphic rocks are classified in…………. major groups.

A. two

B. three

C. five

D. six

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22. Which group belongs to metamorphic rocks?

A. Foliated

B. Non-foliated

C. both of them

D. none of them

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23. Salts and phyllites are……………. rocks.

A. Foliated

B. Non-foliated

C. none of them

D. both of them

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24. Which one is the example of Non-foliated rocks?

A. Marble

B. Schists

C. Salts

D. Phyllites

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25. Serpentine is a type of rocks.

A. Foliated

B. Non-foliated

C. Salts

D. Aphantic

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