alleryLong flexible petioles let leaf blades flutter in wind, which:
ASheds the leaf
BCools the leaf
CWarms the leaf
DStops photosynthesis
Answer & Solution
Correct answer: B. Cools the leaf
1. Fluttering brings fresh air to the leaf surface.
2. Moving air carries heat away.
3. So the leaf is cooled.
_Source: syllabus Biology, Chapter 5, Morphology of Flowering Plants._
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