Q 1 – 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
Ans. (b) Due to dust raised from the quarrying activities
Q 2 – 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
Ans. (a) mining
Q 3 – Give two examples of non-metallic mineral fuels from the options given below:
(a) Manganese Ore, Bauxite
(b) Gold, Silver
(c) Coal, Petroleum
(d) Iron Ore, Bauxite
Ans. (c) Coal, Petroleum
Q 4 – Give an example of shafts.
(a) Surface mining
(b) Deep bores
(c) Off-shore drilling
(d) None of these
Ans. (b) Deep bores
Q 5 – What is the process in which minerals lying near the surface are dug?
(a) Drilling
(b) Off-shore drilling
(c) Quarrying
(d) Extraction
Ans. (c) Quarrying
Q 6 – Some examples of minerals are given below, pick out the one that is not a metallic mineral
(a) Gold
(b) Bauxite
(c) Limestone
(d) Iron Ore
Ans. (c) Limestone
Q 7 – Name the process in which deep wells are bored to take out petroleum and natural gas.
(a) Quarrying
(b) Drilling
(c) Shaft mining
(d) Opencast mining
Ans. (d) Opencast mining
Q 8 – Which one of the following best describes a Metal
(a) A substance without any definite shape
(b) Substances without any physical properties
(c) Hard substances that conduct heat and electricity and have a characteristic lustre or shine.
(d) Substances without chemical composition
Ans. (c) Hard substances that conduct heat and electricity and have a characteristic lustre or shine.
Q 9 – Minerals can be identified on the basis of their physical properties. Which one among the following is not a physical property
with respect to the minerals?
(a) Colour
(b) Presence of Sulphides
(c) Hardness
(d) Density
Ans. (b) Presence of Sulphides
Q 10 – Gold is an example of mineral.
(a) ferrous
(b) non-ferrous
(c) both (a) and (b)
(d) none of these
Ans. (b) non-ferrous
Q 11 – From the following options given, pick out the correct reason as to why impurities should be removed from mineral ores?
(a) To convert mineral ores into useful materials
(b) To obtain large quantities of mineral ores
(c) To avoid drilling, mining etc
(d) To retain the minerals in its pure state.
Ans. (a) To convert mineral ores into useful materials
Q 12 – Which continent is the largest producer of iron?
(a) Asia
(b) Europe
(c) North America
(d) Australia
Ans. (b) Europe
Q 13 – Which one of the following countries in Europe has the largest deposits of iron?
(a) Portugal
(b) Russia
(c) Germany
(d) Hungary
Ans. (b) Russia
Q 14 – Which is one of the deepest gold mine of the world?
(a) Kolar
(b) Jharia
(c) Raniganj
(d) Bikaner
Ans. (a) Kolar
Q 15 – From which mineral is silicon obtained?
(a) Coal
(b) Bauxite
(c) Thorium
(d) Quartz
Ans. (d) Quartz
Q 16 – Suggest ways to conserve minerals.
(a) Reducing waste in the process of mining
(b) Recycling of minerals
(c) Both (a) and (b)
(d) None of these
Ans. (c) Both (a) and (b)
Q 17 – Which one of the following 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
Ans. (c) Cooking food in an open pan on low flame
Q 18 – Petrbleum is referred to as ‘black gold’ because
(a) it’s black in colour
(b) it is yellow in colour
(c) it is valuable
(d) it is used in making jewellery
Ans. (c) it is valuable
Q 19 – Where do we find natural gas resources in India?
(a) Uttar Pradesh
(b) Bihar
(c) Mumbai High
(d) Jammu and Kashmir
Ans. (c) Mumbai High
Q 20 – What would you call a naturally occurring substance that has a definite chemical composition
(a) Resources
(b) Mineral
(c) Atmosphere
(d) Environment
Ans. (b) Mineral
Q 21 – Mineral fuel is found in:
(a) Sedimentary rocks
(b) Metamorphic rocks
(c) Igneous rocks
(d) All of these
Ans. (d) All of these
Q 22 – Name the country where there are no known mineral deposits in the world
(a) France
(b) Switzerland
(c) Canada
(d) Algeria
Ans. (b) Switzerland
Q 23 – Energy obtained from the earth is known as:
(a) Nuclear energy
(b) Biogas
(c) Geothermal
(d) Thermal
Ans. (c) Geothermal
Q 24 – Thorium is found in large quantities in the Monazite sands of an important state of India. From the options given, choose the
state.
(a) Orissa
(b) Kerala
(c) Maharashtra
(d) Madhya Pradesh
Ans. (b) Kerala
Q 25 – Match the following:
| Column A | Column B |
| (i) Ferrous minerals | (a) Coal, petroleum, natural gas |
| (ii) Non-ferrous minerals | (b) Limestone, potash, nitrate |
| (iii) Metallic minerals | (c) Fully evaporated, solid, hard and blackest form of coal |
| (iv) Noh-metallic minerals | (d) Iron, manganese |
| (v) Foss’il fuels | (e) Zinc, lead, copper, gold |
| (vi) Coke | (f) Iron ore, bauxite, copper, gold, etc. |
Ans.
| Column A | Column B |
| (i) Ferrous minerals | (a) Coal, petroleum, natural gas |
| (ii) Non-ferrous minerals | (b) Limestone, potash, nitrate |
| (iii) Metallic minerals | (c) Fully evaporated, solid, hard and blackest form of coal |
| (iv) Noh-metallic minerals | (d) Iron, manganese |
| (v) Fossil fuels | (e) Zinc, lead, copper, gold |
| (vi) Coke | (f) Iron ore, bauxite, copper, gold, etc. |