ICSE BoardEnglish MediumSTD 10BiologyHuman Evolution1 Mark
MCQ
Lamarckism cannot explain :
A
Webbed toes in aquatic birds
B
Giraffe neck
C
Long, narrow and limbless body of snakes
✓
Heterophylly
✓
Answer
Correct option: D.
Heterophylly
(d) Heterophylly Explanation: Heterophylly, which refers to the existence of different types of leaves on the same plant, cannot be explained by Lamarckism as it is not a trait acquired during the plant's lifetime but is instead a genetic adaptation.
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