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Economics · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 1 · Q21
The Montreal Protocol was signed in the year 1987 committing nations to. (Choose the correct option to fill in the blank)
The Montreal Protocol was signed in the year $\displaystyle 1987$ committing nations to __________.(Choose the correct option to fill in the blank)
Official answer
(C)
protect ozone layer from depletion incurred due to chlorofluoro carbons .
Marking-scheme solution
(C)
protect ozone layer from depletion incurred due to chlorofluoro carbons.
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CBSE Class 12 Economics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.