Class 8 - Chapter 3 - Minerals and Powers Resources (NCERT)

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

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

Which continent is the largest producer of iron?

• Asia

• Europe

• North America

• Australia

Which is one of the deepest gold mine of the world?

• Kolar

• Jharia

• Raniganj

• Bikaner

Petroleum 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

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

Russia is rich in …………….. resource.