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BIOLOGY CH19 Plant Physiology — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceBIOLOGY CH19 Plant Physiology2 Marks
Question
Why do stems show postive phototropism?
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Answer

Stem growing up and towards light is more likely to get sunlight for photosynthesis and display its flowers prominently for pollinators to arrive.It also has better chance of spreading its seeds.

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