Why does a pansy flower turn its face towards the sun ?
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Answer / guest
The plants, which reed sunlight than other, spread their
leaves horizontally and their flowers face the sun to get
the maximum possible light. Moreover, there plants depend
for their fertilization on insects. The insects which like
to sit in the sun, sit on these plants and ate caught by them.
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Answer / mahalakshmi
Facing of pancy towards the sun is known as phototropic
movement. This is due to presence of auxin, a growth harmone
in the stem.
When the stem tip receives unilateral light, the
concentration of auxin increases in the shaded side.
The higher concentration of auxin in the shaded side causes
that side to grow faster, resulting in a positive
phototropic curvature.
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