Chapter Exam

Chapter 10: Minerals and Energy Resources — Online MCQ Test

Q: Which of these is a metallic mineral?

Answer: C. Iron ore — Iron ore is a metallic mineral because it contains metal. Mica and limestone are non-metallic minerals, while coal is an energy resource.

Q: Which is the finest quality of iron ore mentioned in NCERT?

Answer: B. Magnetite — Magnetite is the finest iron ore with a very high iron content of up to 70 percent. It has excellent magnetic qualities.

Q: Bauxite is the ore of which metal?

Answer: B. Aluminium — Bauxite is the main ore from which aluminium is obtained. It is formed by decomposition of rocks rich in aluminium silicates.

Q: In igneous and metamorphic rocks, minerals generally occur in:

Answer: B. Veins and lodes — In igneous and metamorphic rocks, minerals occur in cracks, crevices, faults or joints called veins and lodes. Smaller occurrences are called veins and larger ones are called lodes.

Q: Which of the following pairs is correctly matched?

Answer: C. Copper - Non-ferrous mineral — Copper is a non-ferrous metallic mineral because it does not contain iron. Mica and limestone are non-metallic minerals, while coal is an energy mineral.

Q: Consider the statements: I. Magnetite is the finest iron ore. II. Hematite has iron content up to 70 percent and has excellent magnetic qualities. Which is correct?

Answer: A. Only I — Magnetite is the finest iron ore and has up to 70 percent iron with excellent magnetic qualities. Hematite is an important industrial iron ore but has slightly lower iron content.

Q: Which sequence correctly arranges coal types from lowest to highest carbon content?

Answer: B. Peat, lignite, bituminous, anthracite — Coal quality improves with higher carbon content. The correct order is peat, lignite, bituminous and anthracite.

SOCIAL SCIENCE · Grade 10 · CBSE(NCERT)

Practice Chapter 10: Minerals and Energy Resources with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 10 SOCIAL SCIENCE. This chapter covers: Minerals Metallic minerals Non metallic minerals Conventional energy Non conventional energy Coal Petroleum Natural gas Solar energy Wind energy Conservation. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 10: Minerals and Energy Resources — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 10 SOCIAL SCIENCE — Chapter 10: Minerals and Energy Resources, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following best defines a mineral according to NCERT?

A. A naturally occurring substance with a definite internal structure ✓
B. Any substance obtained only from forests
C. A man-made resource used in industries
D. A liquid fuel formed only in oceans

Answer: A. A naturally occurring substance with a definite internal structure
Minerals are naturally occurring homogeneous substances with a definite internal structure. They are found in varied forms in nature.

Which of these is a metallic mineral?

A. Mica
B. Limestone
C. Iron ore ✓
D. Coal

Answer: C. Iron ore
Iron ore is a metallic mineral because it contains metal. Mica and limestone are non-metallic minerals, while coal is an energy resource.

Which is the finest quality of iron ore mentioned in NCERT?

A. Lignite
B. Magnetite ✓
C. Bauxite
D. Mica

Answer: B. Magnetite
Magnetite is the finest iron ore with a very high iron content of up to 70 percent. It has excellent magnetic qualities.

Bauxite is the ore of which metal?

A. Copper
B. Aluminium ✓
C. Manganese
D. Iron

Answer: B. Aluminium
Bauxite is the main ore from which aluminium is obtained. It is formed by decomposition of rocks rich in aluminium silicates.

In igneous and metamorphic rocks, minerals generally occur in:

A. Beds and layers
B. Veins and lodes ✓
C. Placer deposits only
D. Ocean water only

Answer: B. Veins and lodes
In igneous and metamorphic rocks, minerals occur in cracks, crevices, faults or joints called veins and lodes. Smaller occurrences are called veins and larger ones are called lodes.

Which of the following pairs is correctly matched?

A. Mica - Ferrous mineral
B. Coal - Metallic mineral
C. Copper - Non-ferrous mineral ✓
D. Limestone - Fossil fuel

Answer: C. Copper - Non-ferrous mineral
Copper is a non-ferrous metallic mineral because it does not contain iron. Mica and limestone are non-metallic minerals, while coal is an energy mineral.

Why is the use of solar energy especially suitable in rural and remote areas of India?

A. It requires large coal mines nearby
B. It reduces dependence on firewood and dung cakes ✓
C. It can be generated only near petroleum fields
D. It increases the use of non-renewable fuels

Answer: B. It reduces dependence on firewood and dung cakes
Solar energy can reduce the dependence of rural households on firewood and dung cakes. This also helps conserve forests and organic manure.

Which statement correctly explains why minerals need to be conserved?

A. Minerals are renewable and can be quickly replaced
B. Mineral formation is slow, and their extraction is often wasteful ✓
C. Minerals are found equally in all parts of India
D. Minerals are not required in modern industries

Answer: B. Mineral formation is slow, and their extraction is often wasteful
Minerals are finite and take millions of years to form. Mining and processing also involve losses, so planned and sustainable use is necessary.

Consider the statements: I. Magnetite is the finest iron ore. II. Hematite has iron content up to 70 percent and has excellent magnetic qualities. Which is correct?

A. Only I ✓
B. Only II
C. Both I and II
D. Neither I nor II

Answer: A. Only I
Magnetite is the finest iron ore and has up to 70 percent iron with excellent magnetic qualities. Hematite is an important industrial iron ore but has slightly lower iron content.

Which sequence correctly arranges coal types from lowest to highest carbon content?

A. Anthracite, bituminous, lignite, peat
B. Peat, lignite, bituminous, anthracite ✓
C. Lignite, peat, anthracite, bituminous
D. Bituminous, lignite, peat, anthracite

Answer: B. Peat, lignite, bituminous, anthracite
Coal quality improves with higher carbon content. The correct order is peat, lignite, bituminous and anthracite.

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