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Suggest one best way to… (Class 10 Science 2026, Q12)

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ScienceCBSE Class 10 · Board exam 2026, set 31/2/1 · 2 marks · Very short answer

CBSE Class 10 Science 2026: question 12

Set in the CBSE Class 10 board exam of 2026, paper 31/2/1, section A, question 12, for 2 marks. Try it first; the hints and our step-by-step solution are below.

Q12 · 2 marks · Very short answerCompetency-basedOur Environment

Suggest one best way to dispose of the following wastes :

(i) Kitchen waste
(ii) Metallic waste
(iii) Plastic bottles
(iv) Sanitary waste

Source: official question paper from cbse.gov.in (PDF). See it in the full 2026 board paper, set 31/2/1.

Hints

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

Hint 1

Which wastes are biodegradable and which can be melted and used again?

Hint 2

Sanitary waste is unhygienic, so think of a method that destroys it completely.

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. (i) Kitchen waste: composting (converting it into manure).

    ½ mark

  2. (ii) Metallic waste: recycling or reuse.

    ½ mark

  3. (iii) Plastic bottles: recycling or reuse.

    ½ mark

  4. (iv) Sanitary waste: incineration (burning at high temperature).

    ½ mark

Answer: (i) Composting; (ii) Recycle/reuse; (iii) Recycle/reuse; (iv) Incineration

Where the marks are

  • Kitchen waste – composting (½ mark)
  • Metallic waste – recycling/reuse (½ mark)
  • Plastic bottles – recycling/reuse (½ mark)
  • Sanitary waste – incineration (½ mark)

Revise the chapter

  • Chapter: Our Environment (notes, formulas, where marks are lost and every past question)
Practise this chapterBoard-style questions from Our Environment, one at a time, marked against the answer key and marking points.Back to the full paper2026 board paper, set 31/2/1: 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.