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Assertion (A): Use of jute… (Class 10 Science 2025, Q20)

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ScienceCBSE Class 10 · Board exam 2025, set 31/3/1 · 1 mark · Assertion-reason

CBSE Class 10 Science 2025: question 20

Set in the CBSE Class 10 board exam of 2025, paper 31/3/1, section A, question 20, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q20 · 1 mark · Assertion-reasonCompetency-basedOur Environment

Assertion (A): Use of jute bags for shopping reduces pollution.

Reason (R): Jute is biodegradable and its bag may be reused as and when needed.

  1. (A)Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
  2. (B)Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
  3. (C)Assertion (A) is true, but Reason (R) is false.
  4. (D)Assertion (A) is false, but Reason (R) is true.

Source: official question paper from cbse.gov.in (PDF). See it in the full 2025 board paper, set 31/3/1.

Hints

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

Hint 1

Compare what happens to a jute bag and a plastic bag once they are thrown away.

Hint 2

Ask yourself whether the Reason directly explains why pollution is reduced.

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. Jute is biodegradable, so it does not persist as waste the way plastic bags do. Jute bags can also be reused many times, which cuts down on waste.

  2. Both statements are true, and the Reason explains why jute bags reduce pollution. The answer is option (A).

    1 mark

Answer: (A) Both true; R explains A

Where the marks are

  • Identifies both statements as true and R as the correct explanation (1 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 paper2025 board paper, set 31/3/1: 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.