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Explain the measures… (Class 10 Social Science 2025, Q31b)

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Social ScienceCBSE Class 10 · Board exam 2025, set 32/2/1 · 5 marks · Long answer

CBSE Class 10 Social Science 2025: question 31(b)

Set in the CBSE Class 10 board exam of 2025, paper 32/2/1, section D, question 31(b), for 5 marks. Try it first; the hints and our step-by-step solution are below.

Q31(b) · 5 marks · Long answerManufacturing Industries

Explain the measures taken by 'National Thermal Power Corporation' to prevent environmental degradation.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2025 board paper, set 32/2/1.

Hints

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

Hint 1

Think of what NTPC does with ash.

Hint 2

How does it keep ecological balance around plants?

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. NTPC follows a proactive approach to preserve the natural environment and resources such as water, oil, gas and fuels near its power plants.

    1 mark

  2. It optimally uses equipment, adopting the latest techniques and upgrading existing equipment.

    1 mark

  3. It minimises waste by maximising the utilisation of ash.

    1 mark

  4. It provides green belts to maintain ecological balance and supports afforestation.

    1 mark

  5. It reduces pollution through ash pond management, ash water recycling and liquid waste management, with ecological monitoring and online database management at all stations.

    1 mark

Answer: NTPC uses optimum equipment, ash utilisation, green belts, waste management and ecological monitoring.

Where the marks are

  • Proactive approach to conserving resources (1 mark)
  • Optimum use and upgrading of equipment (1 mark)
  • Ash utilisation to minimise waste (1 mark)
  • Green belts and afforestation (1 mark)
  • Ash pond, recycling and liquid waste management, with monitoring (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from Manufacturing Industries, one at a time, marked against the answer key and marking points.Back to the full paper2025 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.