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Biology · 2023 · 1 mark
CBSE 2023 · Region 3 · Set 1 · Q14
Assertion (A): The number of white winged moths decreased drastically after industrialisation in England. Reason (R): Effects of industrialisation…
Assertion (A) : The number of white winged moths decreased drastically after industrialisation in England.
Reason (R) : Effects of industrialisation were more marked in rural areas of England.
Official answer
(C)
Assertion (A) is true, but Reason (R) is false.
Asked in 2 different years
- 2023 · Region 3 · Set 1 · Q14
- 2025 · Region 2 · Set 1 · Q14
- 2025 · Region 2 · Set 2 · Q14
- 2025 · Region 2 · Set 3 · Q14
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Asked in 2023 & 2025. CBSE Class 12 Biology past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.