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Question
Which of the following hormones is responsible for the bending of plants towards the light?
Which of the following hormones is responsible for the bending of plants towards the light?
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Solution
The correct option is D Auxin
When growing plants detect light, a hormone called auxin is synthesized at the shoot tip. This hormone helps the cells to grow longer. When the light comes from one side of the plant, auxin diffuses towards the shady side of the shoot. This concentration of auxin stimulates the cells to grow longer on the side of the shoot which is away from light. Thus, the plant appears to bend towards the light.So, the correct answer is option B.
When growing plants detect light, a hormone called auxin is synthesized at the shoot tip. This hormone helps the cells to grow longer. When the light comes from one side of the plant, auxin diffuses towards the shady side of the shoot. This concentration of auxin stimulates the cells to grow longer on the side of the shoot which is away from light. Thus, the plant appears to bend towards the light.
So, the correct answer is option B.
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