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"Promotion of energy… (Class 10 Social Science 2024, Q31a)

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Social ScienceCBSE Class 10 · Board exam 2024, set 32/2/1 · 5 marks · Long answer

CBSE Class 10 Social Science 2024: question 31(a)

Set in the CBSE Class 10 board exam of 2024, paper 32/2/1, section D, question 31(a), for 5 marks. Try it first; the hints and our step-by-step solution are below.

Q31(a) · 5 marks · Long answerMinerals and Energy Resources

"Promotion of energy conservation is important plank of sustainable energy." Explain the statement with examples.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2024 board paper, set 32/2/1.

Hints

Open one hint at a time and try again before the next.

Hint 1

Think of simple things a citizen can do at home and on the road.

Hint 2

Which alternative energy sources reduce use of fossil fuels?

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. Energy resources are limited, so we must use them judiciously. Conserving energy keeps supplies for the future, which is the aim of sustainable energy.

    1 mark

  2. We can use public transport instead of private vehicles, or carpool, which saves fuel and reduces pollution.

    1 mark

  3. Switch off lights and appliances when not in use.

    1 mark

  4. Use power-saving devices such as LED bulbs and energy-efficient appliances.

    1 mark

  5. Shift to non-conventional sources such as solar and wind energy (for example solar heaters and cookers), which reduces dependence on fossil fuels.

    1 mark

Answer: Energy conservation by judicious use, public transport, switching off, efficient devices and renewable sources supports sustainable energy.

Where the marks are

  • Judicious use of limited resources (1 mark)
  • Public transport example (1 mark)
  • Switching off appliances (1 mark)
  • Power-saving devices (1 mark)
  • Non-conventional sources (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Minerals and Energy Resources, one at a time, marked against the answer key and marking points.Back to the full paper2024 board paper, set 32/2/1: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.