Geography : Chapter 5 : Minerals & Energy Resources
Q1. Minerals are - āĻāύāĻŋāĻ āĻŦā§āϞāĻŋāϞ⧠āĻŦā§āĻāĻžāϝāĻŧ -
(a) Man-made substances (b) Artificial products (c) Naturally occurring substances (d) Chemical mixtures
Ans: (c) Naturally occurring substances
Note: Minerals are found naturally in the earth. āĻāύāĻŋāĻ āĻĒā§ā§°āĻžāĻā§āϤāĻŋāĻāĻāĻžā§ąā§ āĻĒā§āĻĨāĻŋā§ąā§āϤ āĻĒā§ā§ąāĻž āϝāĻžāϝāĻŧāĨ¤
Q2. Which of the following is a mineral ? āϤāϞ⧰ āĻā§āύāĻā§ āĻāύāĻŋāĻ ?
(a) Plastic (b) Iron ore (c) Cement (d) Brick
Ans: (b) Iron ore
Note: Iron ore occurs naturally. āϞā§āĻšāĻžā§° āĻāĻā§° āĻĒā§ā§°āĻžāĻā§āϤāĻŋāĻ āĻāύāĻŋāĻāĨ¤
Q3. Minerals have - āĻāύāĻŋāĻā§° āĻŦā§āĻļāĻŋāώā§āĻā§āϝ -
(a) No fixed composition (b) Definite chemical composition
(c) Artificial nature (d) Temporary form
Ans: (b) Definite chemical composition
Note: Each mineral has a fixed chemical nature. āĻĒā§ā§°āϤā§āϝā§āĻ āĻāύāĻŋāĻā§° āύāĻŋā§°ā§āĻĻāĻŋāώā§āĻ ā§°āĻžāϏāĻžāϝāĻŧāύāĻŋāĻ āĻāĻ āύ āĻĨāĻžāĻā§āĨ¤
Q4. Which is a metallic mineral ? āĻā§āύāĻā§ āϧāĻžāϤāĻŦ āĻāύāĻŋāĻ ?
(a) Limestone (b) Mica (c) Iron ore (d) Gypsum
Ans: (c) Iron ore
Note: Metallic minerals contain metals. āϧāĻžāϤāĻŦ āĻāύāĻŋāĻāϤ āϧāĻžāϤ⧠āĻĨāĻžāĻā§āĨ¤
Q5. Ferrous minerals contain - āĻĢā§ā§°āĻžāĻ āĻāύāĻŋāĻāϤ āĻāĻŋ āĻĨāĻžāĻā§ ?
(a) Copper (b) Iron (c) Aluminium (d) Gold
Ans: (b) Iron
Note: Ferrous minerals have iron content. āĻĢā§ā§°āĻžāĻ āĻāύāĻŋāĻāϤ āϞā§āĻšāĻž āĻĨāĻžāĻā§āĨ¤
Q6. Which of the following is a non-ferrous mineral ? āϤāϞ⧰ āĻā§āύāĻā§ āύāύ-āĻĢā§ā§°āĻžāĻ āĻāύāĻŋāĻ ?
(a) Iron (b) Manganese (c) Copper (d) Steel
Ans: (c) Copper
Note: Non-ferrous minerals do not contain iron. āύāύ-āĻĢā§ā§°āĻžāĻ āĻāύāĻŋāĻāϤ āϞā§āĻšāĻž āύāĻžāĻĨāĻžāĻā§āĨ¤
Q7. Limestone is a - mineral : āĻā§āύāĻžāĻĒāĻžāĻĨā§° āĻāĻāĻž - āĻāύāĻŋāĻ
(a) Metallic (b) Non-metallic (c) Ferrous (d) Alloy
Ans: (b) Non-metallic
Note: Limestone has no metal content. āĻā§āύāĻžāĻĒāĻžāĻĨā§°āϤ āϧāĻžāϤ⧠āύāĻžāĻĨāĻžāĻā§āĨ¤
Q8. Which is a conventional source of energy ? āĻā§āύāĻā§ āĻĒā§°āĻŽā§āĻĒā§°āĻžāĻāϤ āĻļāĻā§āϤāĻŋ āĻā§āϏ ?
(a) Solar energy (b) Wind energy (c) Coal (d) Biogas
Ans: (c) Coal
Note: Coal is traditionally used for energy. āĻāϝāĻŧāϞāĻž āĻŦāĻšā§āĻĻāĻŋāύ āϧ⧰āĻŋ āĻļāĻā§āϤāĻŋā§° āĻā§āϏāĨ¤
Q9. Petroleum is also known as - āĻĒā§āĻā§ā§°ā§āϞāĻŋāϝāĻŧāĻžāĻŽāĻ āĻāĻŋ āĻŦā§āϞāĻŋ āĻā§ā§ąāĻž āĻšāϝāĻŧ ?
(a) White gold (b) Black gold (c) Liquid coal (d) Brown fuel
Ans: (b) Black gold
Note: Petroleum has high economic value. āĻĒā§āĻā§ā§°ā§āϞāĻŋāϝāĻŧāĻžāĻŽā§° āĻ
ā§°ā§āĻĨāύā§āϤāĻŋāĻ āĻŽā§āϞā§āϝ āĻ
āϧāĻŋāĻāĨ¤
Q10. Which is a non-conventional energy source ? āĻā§āύāĻā§ āĻ
āĻĒā§°āĻŽā§āĻĒā§°āĻžāĻāϤ āĻļāĻā§āϤāĻŋ āĻā§āϏ ?
(a) Coal (b) Petroleum (c) Natural gas (d) Solar energy
Ans: (d) Solar energy
Note: Solar energy is renewable. āϏā§ā§° āĻļāĻā§āϤāĻŋ āĻĒā§āύ⧰ā§āĻ¨ā§ąā§āĻā§°āĻŖāϝā§āĻā§āϝāĨ¤
Q11. Which mineral is used in making cement ? āĻāĻŋāĻŽā§āĻŖā§āĻ āύāĻŋā§°ā§āĻŽāĻžāĻŖāϤ āĻā§āύāĻā§ āĻāύāĻŋāĻ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧ ?
(a) Iron ore (b) Bauxite (c) Limestone (d) Mica
Ans: (c) Limestone
Note: Limestone is the main raw material. āĻā§āύāĻžāĻĒāĻžāĻĨā§° āĻāĻŋāĻŽā§āĻŖā§āĻā§° āĻŽā§āϞ āĻāĻžāĻāĻāĻžāĻŽāĻžāϞāĨ¤
Q12. Which energy source is renewable ? āĻā§āύāĻā§ āĻļāĻā§āϤāĻŋ āĻā§āϏ āĻĒā§āύ⧰ā§āĻ¨ā§ąā§āĻā§°āĻŖāϝā§āĻā§āϝ ?
(a) Coal (b) Petroleum (c) Wind energy (d) Natural gas
Ans: (c) Wind energy
Note: Wind energy never gets exhausted. āĻŦāϤāĻžāĻš āĻļāĻā§āϤāĻŋ āĻļā§āώ āύāĻšāϝāĻŧāĨ¤
Q13. Bauxite is the ore of - āĻŦāĻā§āϏāĻžāĻāĻ āĻā§āύāĻā§ āϧāĻžāϤā§ā§° āĻāĻā§° ?
(a) Copper (b) Iron (c) Aluminium (d) Zinc
Ans: (c) Aluminium
Note Aluminium is extracted from bauxite. āĻŦāĻā§āϏāĻžāĻāĻā§° āĻĒā§°āĻž āĻāϞā§āĻŽāĻŋāύāĻŋāϝāĻŧāĻžāĻŽ āĻāϞāĻŋāĻā§ąāĻž āĻšāϝāĻŧāĨ¤
Q14. Which mineral is used in electrical industry ? āĻŦāĻŋāĻĻā§āϝā§ā§ āĻāĻĻā§āϝā§āĻāϤ āĻŦā§āĻ¯ā§ąāĻšā§āϤ āĻāύāĻŋāĻ āĻā§āύāĻā§ ?
(a) Mica (b) Limestone (c) Coal (d) Iron ore
Ans: (a) Mica
Note: Mica is a good insulator. āĻŽāĻžāĻāĻāĻž āĻāϤā§āϤāĻŽ āĻāύāĻā§āϞā§āĻā§°āĨ¤
Q15. Thermal power plants mainly use - āϤāĻžāĻĒ āĻŦāĻŋāĻĻā§āϝā§ā§ āĻā§āύā§āĻĻā§ā§°āϤ āĻŽā§āϞāϤāĻ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧ -
(a) Water (b) Coal (c) Wind (d) Uranium
Ans: (b) Coal
Note: Coal produces heat energy. āĻāϝāĻŧāϞāĻžā§° āĻĒā§°āĻž āϤāĻžāĻĒ āĻļāĻā§āϤāĻŋ āĻĒā§ā§ąāĻž āϝāĻžāϝāĻŧāĨ¤
Q16. Which is used to generate biogas ? āĻŦāĻžāϝāĻŧā§āĻā§āĻ āĻā§āĻĒāĻžāĻĻāύāϤ āĻāĻŋ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧ ?
(a) Coal (b) Cow dung (c) Petroleum (d) Uranium
Ans: (b) Cow dung
Note: Organic waste produces biogas. āĻā§ā§ąāĻŋāĻ āĻāĻŦā§°ā§āĻāύāĻžā§° āĻĒā§°āĻž āĻŦāĻžāϝāĻŧā§āĻā§āĻ āĻšāϝāĻŧāĨ¤
Q17. Minerals are important because they are - āĻāύāĻŋāĻ āĻā§ā§°ā§āϤā§āĻŦāĻĒā§ā§°ā§āĻŖ āĻāĻžā§°āĻŖ -
(a) Decorative (b) Backbone of industries (c) Expensive (d) Artificial
Ans: (b) Backbone of industries
Note: Industries depend on minerals. āĻāĻĻā§āϝā§āĻāϏāĻŽā§āĻš āĻāύāĻŋāĻā§° āĻāĻĒā§°āϤ āύāĻŋā§°ā§āĻā§°āĻļā§āϞāĨ¤
Q18. Which mineral resource is used to earn foreign exchange ? āĻŦāĻŋāĻĻā§āĻļā§ āĻŽā§āĻĻā§ā§°āĻž āĻ
ā§°ā§āĻāύāϤ āĻŦā§āĻ¯ā§ąāĻšā§āϤ āϏāĻŽā§āĻĒāĻĻ āĻā§āύāĻā§ ?
(a) Soil (b) Forest (c) Minerals (d) Water
Ans: (c) Minerals
Note: Minerals are exported. āĻāύāĻŋāĻ ā§°āĻĒā§āϤāĻžāύāĻŋ āĻā§°āĻž āĻšāϝāĻŧāĨ¤
Q19. Best method to conserve mineral resources - āĻāύāĻŋāĻ āϏāĻā§°āĻā§āώāĻŖā§° āϏ⧰ā§āĻŦā§āϤā§āϤāĻŽ āĻĒāĻĻā§āϧāϤāĻŋ -
(a) Overuse (b) Recycling (c) Wastage (d) Export
Ans: (b) Recycling
Note Recycling reduces extraction. āĻĒā§āύ⧰ā§āĻŦā§āĻ¯ā§ąāĻšāĻžā§°ā§ āĻāύāĻŋāĻ āϏāĻā§°āĻā§āώāĻŖ āĻā§°ā§āĨ¤
Q20. Energy from tides is called - āĻā§ā§ąāĻžā§°-āĻāĻžāĻāĻžā§° āĻĒā§°āĻž āĻĒā§ā§ąāĻž āĻļāĻā§āϤāĻŋāĻ āĻāĻŋ āĻā§ā§ąāĻž āĻšāϝāĻŧ ?
(a) Wind energy (b) Solar energy (c) Tidal energy (d) Thermal energy
Ans: (c) Tidal energy
Note: It is obtained from sea waves. āϏāĻžāĻā§°ā§° āĻā§ā§ąāĻžā§°-āĻāĻžāĻāĻžā§° āĻĒā§°āĻž āĻĒā§ā§ąāĻž āϝāĻžāϝāĻŧāĨ¤