Skip to content

The Montreal Protocol was… (Class 12 Economics 2026, Q21)

questionbuddy.in/q/cbse-12-economics-2026-58-1-1-q21-montreal-protocol-signed-year-committing

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

CBSE Class 12 Economics 2026: question 21

Set in the CBSE Class 12 board exam of 2026, paper 58/1/1, 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

The Montreal Protocol was signed in the year 1987 committing nations to __________. (Choose the correct option to fill in the blank)

  1. (A)protect biodiversity from any further losses.
  2. (B)reduce the impact of global warming.
  3. (C)protect ozone layer from depletion incurred due to chlorofluoro carbons .
  4. (D)reduce the impact of deforestation.

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

Hints

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

Hint 1

Which environmental problem do CFCs cause?

Hint 2

The Kyoto Protocol, not Montreal, deals with global warming.

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. The Montreal Protocol (1987) is the international treaty on substances that deplete the ozone layer.

  2. It commits countries to phase out chlorofluorocarbons (CFCs) and similar chemicals to protect the ozone layer. Option (C).

    1 mark

Answer: (C) protect ozone layer from depletion incurred due to chlorofluoro carbons.

Where the marks are

  • Montreal Protocol is about ozone depletion (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 58/1/1: 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.