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Identify, which of the… (Class 12 Economics 2026, Q21)

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EconomicsCBSE Class 12 · Board exam 2026, set 58/5/1 · 1 mark · MCQ

CBSE Class 12 Economics 2026: question 21

Set in the CBSE Class 12 board exam of 2026, paper 58/5/1, section B, question 21, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q21 · 1 mark · MCQEnvironment and Sustainable Development

Identify, which of the following is not a strategy of sustainable development. (Choose the correct option)

  1. (A)Use of Solar Panels
  2. (B)Use of Bio-Pests
  3. (C)Use of coal to produce electricity
  4. (D)Use of Mini-Hydel Plants

Source: official question paper from cbse.gov.in (PDF). See it in the full 2026 board paper, set 58/5/1.

Hints

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

Hint 1

Which option uses a non-renewable resource?

Hint 2

Which option adds to air pollution?

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. Sustainable development strategies use renewable, non-polluting resources: solar panels, bio-pest control and mini-hydel plants all qualify.

  2. Burning coal for electricity uses a non-renewable resource and causes pollution, so it is not a sustainable strategy. Option (C).

    1 mark

Answer: (C) Use of coal to produce electricity

Where the marks are

  • Coal is non-renewable and polluting (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Environment and Sustainable Development, one at a time, marked against the answer key and marking points.Back to the full paper2026 board paper, set 58/5/1: 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.