Mineral and Power Resources Class 8 Question Answer Worksheet

Section A – Multiple Choice Questions (1 × 10 = 10 marks)

Choose the correct option for each question.

1. Which of the following is a non-metallic mineral?
   (a) Iron
   (b) Copper
   (c) Limestone
   (d) Aluminium

2. Minerals that contain iron are called:
   (a) Non-ferrous minerals
   (b) Ferrous minerals
   (c) Metallic minerals
   (d) None of these

3. The process of digging out minerals from the earth’s surface is called:
   (a) Drilling
   (b) Extraction
   (c) Mining
   (d) Refining

4. Which one of the following is a renewable source of energy?
   (a) Coal
   (b) Petroleum
   (c) Solar energy
   (d) Natural gas

5. “Buried Sunshine” is another name for:
   (a) Petroleum
   (b) Coal
   (c) Natural Gas
   (d) Firewood

6. The nuclear power station in Tamil Nadu is located at:
   (a) Narora
   (b) Tarapur
   (c) Kalpakkam
   (d) Kota

7. Which of the following is obtained from the remains of dead plants and animals?
   (a) Iron ore
   (b) Bauxite
   (c) Fossil fuels
   (d) Limestone

8. The main component used in making computer chips is:
   (a) Copper
   (b) Silicon
   (c) Iron
   (d) Aluminium

9. The Gulf of Kutch is famous for:
   (a) Nuclear energy
   (b) Hydel power
   (c) Tidal energy
   (d) Solar power

10. Which one of the following is not a conventional source of energy?
    (a) Coal
    (b) Firewood
    (c) Petroleum
    (d) Wind energy

Section B – Very Short Answer Questions (2 × 5 = 10 marks)

Answer each question in one or two sentences.

1. Define the term mineral.

2. What is the difference between ferrous and non-ferrous minerals?

3. Name any two non-conventional sources of energy.

4. Why is coal called black gold?

5. Mention two uses of aluminium.

Section C – Short Answer Questions (3 × 5 = 15 marks)

Answer each question in about 40–50 words.

1. Explain any three methods used for the extraction of minerals.

2. Write three differences between metallic and non-metallic minerals.

3. What are the advantages and disadvantages of solar energy?

4. Why should we conserve mineral resources? Give any three reasons.

5. Explain the process of hydel power generation.

Section D – True or False (1 × 5 = 5 marks)

Write “True” or “False” for the following statements.

1. Limestone is a metallic mineral.

2. Biogas is produced from animal and plant waste.

3. Nuclear energy is produced using coal.

4. Recycling metals is a way of conserving minerals.

5. Firewood is a renewable source of energy.

Section E – Value-Based Question (Bonus 2 marks)

Why should we use non-conventional energy sources like solar or wind power instead of coal and petroleum?

Answer Key (for Teacher’s Reference)

Section A:

1. (c) Limestone

2. (b) Ferrous minerals

3. (c) Mining

4. (c) Solar energy

5. (b) Coal

6. (c) Kalpakkam

7. (c) Fossil fuels

8. (b) Silicon

9. (c) Tidal energy

10. (d) Wind energy

Section D:

1. False

2. True

3. False

4. True

5. True

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