Why has quarrying become a major environmental concern?
  • Because minerals are pollutants
  • Due to dust raised from the quarrying activities
  • Because it is done by displacing people
  • None of these
The process of taking out minerals from rocks buried under the surface of the earth is named as
  • mining
  • pumping
  • extracting
  • none of these
Give an example of shafts.
  • Surface mining
  • Deep bores
  • Qff-shore drilling
  • None of these
What is the process in which minerals lying near the surface are dug?
  • Drilling
  • Off-shore drilling
  • Quarrying
  • Extraction
Name the process in which deep wells are bored to take out petroleum and natural gas.
  • Quarrying
  • Drilling
  • Shaft mining
  • Open cast mining
Gold is an example of minerals.
  • ferrous
  • non-ferrous
  • both (a) and (b)
  • none of these
Which continent is the largest producer of iron?
  • Asia
  • Europe
  • North America
  • Australia
Which one of the following countries in Europe has the largest deposits of iron?
  • Portugal
  • Russia
  • Germany
  • Hungary
Which is one of the deepest gold mine of the world?
  • Kolar
  • Jharia
  • Raniganj
  • Bikaner
From which mineral is silicon obtained?
  • Coal
  • Bauxite
  • Thorium
  • Quartz
Suggest ways to conserve minerals.
  • Reducing waste in the process of mining
  • Recycling of minerals
  • Both (a) and (b)
  • None of these
Which one of the followings is not the way of saving energy at home?
  • Switching off lights when not in use
  • Keeping gas off when not in use
  • Cooking food in an open pan on low flame
  • Switching on lights during daytime
Petrbleum is referred to as ‘black gold’ because
  • it'is black in colour
  • it is yellow in colour
  • it is valuable
  • it is used in making jewellery
Where do we find natural gas resources in India?
  • Uttar Pradesh
  • Bihar
  • Mumbai High
  • Jammu and Kashmir
Mineral fuel is found in:
  • Sedimentary rocks
  • Metamorphic rocks
  • Igneous rocks
  • All of these
Which of the following are non-conventional resources?
  • Wind energy
  • Solar energy
  • Tidal energy
  • All of these
Energy obtained from the earth is known as:
  • Nuclear energy
  • Bio gas
  • Geothermal
  • Thermal
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