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Science · 2023 · 2 marks
CBSE 2023 · Region 2 · Set 3 · Q26
"Ozone, although a deadly poison, performs an essential function for the earth and its inhabitants." Explain.
"Ozone, although a deadly poison, performs an essential function for the earth and its inhabitants." Explain.
Marking-scheme solution
It shields the surface of the earth from the ultraviolet radiations from the sun
These radiations are highly damaging as they may cause skin cancer in human beings.
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.