MULTIPLE CHOICE QUESTIONS : (MCQ’s)
1. A naturally occurring substance that has a definite chemical composition is a ____________ .
2. China and India have large___________ deposits .
3. _________ is the leading producer of iron ore in the World .
4. Minerals occur in different types of ___________ rocks .
5. Mineral fuel is found in _____
(a) Sedimentary rocks
(b) Metamorphic rocks
(c) Igneous rocks
(d) All of these
6. Africa is rich in ___________ resources .
7. ____________is the largest producer of high grade iron ore in the World .
8. Australia is the largest producer of ____________ in the World .
9. Mineral are a ______________ resources .
10. ____of metals is another way in which the mineral resources can be conserved .
11. Electricity from coal is called ___________ .
12. Energy obtained from the earth is known as ____
(a) Nuclear energy
(b) Bio gas
(c) Geothermal
(d) Thermal
13. Why has quarrying become a major environmental concern?
(a) Because minerals are pollutants
(b) Due to dust raised from the quarrying activities
(c) Because it is done by displacing people
(d) None of these
14. The process of taking out minerals from rocks buried under the surface of the earth is named as _____
(a) Mining
(b) Pumping
(c) Extracting
(d) None of these
15. What is the process in which minerals lying near the surface are dug?
(a) Drilling
(b) Off-shore drilling
(c) Quarrying
(d) Extraction
16. Name the process in which deep wells are bored to take out petroleum and natural gas.
(a) Quarrying
(b) Drilling
(c) Shaft mining
(d) Open cast mining
17. Gold is an example of minerals.
(a) Ferrous
(b) Non-ferrous
(c) Both (a) and (b)
(d) None of these
18. From which mineral is silicon obtained?
(a) Coal
(b) Bauxite
(c) Thorium
(d) Quartz
19. Which one of the followings is not the way of saving energy at home?
(a) Switching off lights when not in use
(b) Keeping gas off when not in use
(c) Cooking food in an open pan on low flame
(d) Switching on lights during daytime
20. Petroleum is referred to as ‘black gold’ because it is ____
(a) black in colour
(b) yellow in colour
(c) valuable
(d) used in making jewellery
Answers:
13.(b) Due to dust raised from the quarrying activities
14.(a) Mining
15.(c) Quarrying
16.(d) Open cast mining
17.(b) Non-ferrous
18.(d) Quartz
19.(c) Cooking food in an open pan on low flame
20.(c) Valuable