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What is phototropism?

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Question: What is phototropism?

Options:

  1. Growth towards light
  2. Growth away from light
  3. Growth in response to gravity
  4. Growth in response to water

Correct Answer: Growth towards light

Solution: 

Phototropism is the growth of a plant towards light, driven by auxin distribution.

What is phototropism?

Practice Questions

Q1
What is phototropism?
  1. Growth towards light
  2. Growth away from light
  3. Growth in response to gravity
  4. Growth in response to water

Questions & Step-by-Step Solutions

What is phototropism?
Correct Answer: Phototropism is the growth of a plant towards light.
  • Step 1: Understand that phototropism is a term used to describe how plants grow.
  • Step 2: Know that plants grow towards light sources, which is called phototropism.
  • Step 3: Learn that a special hormone in plants called auxin helps control this growth.
  • Step 4: Realize that auxin moves to the side of the plant that is away from the light, causing that side to grow faster.
  • Step 5: As a result, the plant bends towards the light because the side with more auxin grows longer.
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