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Abscisic Acid

During normal...

Question

During normal growth of a plant the stem tip always bends towards light because of the

A

Accumilation Of auxins on illuminated side

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B

Movement of a hormone towards the shaded side

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C

Fact that the light attracts the stem tip

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D

Fact that growth requires light

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Solution

The correct option is B
Movement of a hormone towards the shaded side

Accumulation of auxins on shaded side

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Q. A student takes a potted plant growing in a transparent glass jar. This potted plant having straight stem and straight root is kept near the window in a dark room so that sunlight falls on it from the right side (through the window). After some days, it is found that the stem of plant bends towards the right side (from where the light is coming) but the root bends to the left side, away from the light.
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