Class 08 Social Science Geography Mineral And Power Resources CBSE Questions & Answers

Class 8 · Social Science Geography Mineral And Power Resources

This is Social Science class 08 Social Science Geography Mineral and Power Resources CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
What would you call a naturally occurring substance that has a definite chemical composition
  • A
    Atmosphere
  • B
    Mineral
    Correct
  • C
    Environment
  • D
    Resources
2
Listed below are a few important facts about Minerals. Which one among the following is not TRUE
  • A
    Minerals are composed of one or two elements and they can be identified by their physical and chemical properties
  • B
    Minerals are evenly distributed over space
    Correct
  • C
    Some minerals are found in areas that are not easily accessible
  • D
    Minerals are concentrated in a particular area or rock formations
3
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
    Correct
  • B
    Hardness
  • C
    Density
  • D
    Presence of Sulphides
4
Which one of the following best defines a rock which contains enough mineral to make it economically viable for mining
  • A
    Silicate
  • B
    Crust
  • C
    Ore
    Correct
  • D
    Feldspar
5
Complete the following in the same order of the sequence as it comes. In the ________ grade ores, the mineral content is high and impurities are less. In the __________ grade ores mineral content is low and impurities are more.
  • A
    Metallic and Non-metallic
  • B
    Ferrous and Non ferrous
  • C
    High and Low
    Correct
  • D
    Old and new
6
Complete the following on the basis of Composition , Minerals can be classified as :
Question 6 figure 1
  • A
    Drilling and Quarrying
  • B
    Mining and Drilling
  • C
    Ferrous and Non-Ferrous
  • D
    Metallic and Non-Metallic
    Correct
7
Analyse the following and complete the blank
Question 7 figure 1
  • A
    Ferrous and Non-ferrous
    Correct
  • B
    Drilling and Mining
  • C
    Mining and Quarrying
  • D
    Open Cast and Shaft
8
Which one of the following contain metal in raw form
  • A
    Quarried Minerals
  • B
    Metallic minerals
    Correct
  • C
    Drilled Minerals
  • D
    Non-metallic minerals
9
Which one of the following best describe a Metal
  • A
    Hard substances that conduct heat and electricity and have a characteristic lustre or shine.
    Correct
  • B
    Substances without any physical properties
  • C
    Substances without chemical composition
  • D
    A substance without any definite shape
10
Some examples of minerals are given below, pick out the one that is not a metallic mineral
  • A
    Bauxite
  • B
    Limestone
    Correct
  • C
    Gold
  • D
    Iron Ore
11
Some examples of minerals are given below, pick out the one that is not a non-metallic mineral
  • A
    Gypsum
  • B
    Gold
    Correct
  • C
    Mica
  • D
    Potash
12
Give two examples of non- metallic mineral fuels from the options given below:
  • A
    Iron Ore, Bauxite
  • B
    Coal, Petroleum
    Correct
  • C
    Manganese Ore, Bauxite
  • D
    Gold, Silver
13
Which of these methods are widely used for extracting minerals (i) Mining(ii) Drilling(III) Quarrying
  • A
    only (i) and (iii) are used
  • B
    only (i) and (ii) are used
  • C
    (i),(ii) and (iii) all are used
    Correct
  • D
    only (ii) and (iii) are used
14
From the following options given, pick out the correct reason as to why impurities should be removed from mineral ores?
  • A
    To avoid drilling, mining etc
  • B
    To retain the minerals in its pure state.
  • C
    To convert mineral ores into useful materials
    Correct
  • D
    To obtain large quantities of mineral ores
15
Apart from the given two methods, name one more method that is used for Extraction of Minerals
Question 15 figure 1
  • A
    Quarrying
    Correct
  • B
    Cutting
  • C
    Tunneling
  • D
    Channeling