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Sources of Energy Science - Sources of Energy

CBSE - STD 10 - Science (CBSE - English Medium). 29 questions in this chapter.

Question types

Sources of Energy question types

29 questions across 4 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

29
Questions
4
Question groups
5
Question types
Sample Questions

Sources of Energy questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q1 Mark
Which part of the solar cooker is responsible for green house effect?
  • A
    Coating with black colour inside the box.
  • B
    Mirror.
  • ✓
    Glass sheet.
  • D
    Outer cover of the solar cooker.

Answer: C.

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Q 2M.C.Q1 Mark
Which of the following is a non-renewable source of energy?
  • A
    Wood.
  • B
    Sun.
  • ✓
    Fossil fuels.
  • D
    Wind.

Answer: C.

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Q 3M.C.Q1 Mark
The major problem in harnessing nuclear energy is how to:
  • A
    Split nuclei?
  • B
    Sustain the reaction?
  • ✓
    Dispose off spent fuel safely?
  • D
    Convert nuclear energy into electrical energy?

Answer: C.

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Q 4M.C.Q1 Mark
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because:
  • A
    Its temperature increases.
  • ✓
    Larger amount of potential energy is converted into kinetic energy.
  • C
    The electricity content of water increases with height.
  • D
    More water molecules dissociate into ions.

Answer: B.

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Q 5M.C.Q1 Mark
The main constituent of biogas is:
  • ✓
    Methane.
  • B
    Carbon dioxide.
  • C
    Hydrogen.
  • D
    Hydrogen sulphide.

Answer: A.

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Q 12[5 marks Questions]5 Marks
What are the environmental consequences of using fossil fuels? Suggest the steps to minimise the pollution caused by various sources of energy including non-conventional sources of energy.
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