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Biology · 2023 · 3 marks
CBSE 2023 · Region 5 · Set 3 · Q27
Mention Darwin's observations made on finches during his visit to Galapagos Islands. Write the explanation given by Darwin on his observations.
Mention Darwin's observations made on finches during his visit to Galapagos Islands. Write the explanation given by Darwin on his observations.
Marking-scheme solution
Darwin finches were originally seed eaters, altered beaks arose enabling them to become insectivorous or vegetarian varieties, he observed that adaptive radiation led to speciation.
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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.