Minerals and Energy Resources: Class 10 Important Questions with Answers

16 MCQs

1. Larger occurrences of minerals in cracks are called
   (a) veins (b) lodes (c) placers (d) beds
2. Gypsum is formed by
   (a) evaporation (b) decomposition (c) cooling of magma (d) placer deposition
3. Placer deposits contain
   (a) coal (b) gold and platinum (c) bauxite (d) mica
4. Magnetite contains iron up to
   (a) 50% (b) 60% (c) 70% (d) 90%
5. Kudremukh iron ore is sent as slurry to a port near
   (a) Visakhapatnam (b) Mangaluru (c) Marmagao (d) Paradip
6. Bailadila ore is exported to Japan via
   (a) Visakhapatnam (b) Kolkata (c) Mumbai (d) Chennai
7. Manganese needed per tonne of steel
   (a) 1 kg (b) 10 kg (c) 50 kg (d) 100 kg
8. Khetri mines are famous for
   (a) iron ore (b) copper (c) mica (d) bauxite
9. Panchpatmali bauxite is in
   (a) Koraput (b) Bastar (c) Balaghat (d) Ranchi
10. Basic raw material for cement is
    (a) mica (b) limestone (c) bauxite (d) gypsum
11. Rat-hole mining is practised in
    (a) Jharkhand (b) Meghalaya (c) Odisha (d) Assam
12. The oldest oil-producing state is
    (a) Gujarat (b) Assam (c) Maharashtra (d) Rajasthan
13. The most important oil field of Gujarat
    (a) Ankeleshwar (b) Cambay (c) Kalol (d) Digboi
14. Largest wind farm cluster: Nagarcoil to
    (a) Madurai (b) Jaisalmer (c) Chennai (d) Kanyakumari
15. Geothermal project in Himachal Pradesh
    (a) Puga valley (b) Manikaran (c) Kullu (d) Spiti
16. Tertiary coal is about ___ years old.
    (a) 200 million (b) 55 million (c) 5 million (d) 500 million

1 (b) · 2 (a) · 3 (b) · 4 (c) · 5 (b) · 6 (a) · 7 (b) · 8 (b) · 9 (a) · 10 (b) · 11 (b) · 12 (b) · 13 (a) · 14 (a) · 15 (b) · 16 (b)

Assertion–Reason (4)

(a) Both true, R explains A. (b) Both true, R does not explain A. (c) A true, R false. (d) A false, R true.

1. A: Thermal power stations are located on or near coalfields. R: Coal is bulky and loses weight on use.
2. A: The northern plains are rich in economic minerals. R: They are made of alluvium.
3. A: Biogas is the most efficient use of cattle dung. R: It gives energy and improves the quality of manure.
4. A: Hematite is the most important industrial iron ore. R: It has more iron than magnetite.

Key: 1 (a) · 2 (d) · 3 (a) · 4 (c)