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Biology · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 2 · Q5
After the 1850s in the post-industrialization era in England, the expected effect of natural selection on the number of white-winged moths as…
After the 1850s in the post-industrialization era in England, the expected effect of natural selection on the number of white-winged moths as compared to the dark-winged moths was :
Official answer
(A)
Less in number
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CBSE Class 12 Biology past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.