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Questions and Answers
What is phototropism in plants?
Which hormone is responsible for stimulating cell elongation in phototropism?
What causes a plant to bend towards light during phototropism?
What role does light play in phototropism?
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When can the stimulus for phototropism occur?
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Study Notes
Phototropism
- Plants grow towards light, this is called phototropism
- The plant hormone auxin is produced in the growing tip of the stem
- Auxin stimulates cell elongation on the darker side of the stem
- This causes the stem to bend towards the light
- Plants use phototropism to maximise their exposure to sunlight for photosynthesis
- Phototropism is a response to light stimuli
- Light stimuli can be diurnal, seasonal, or disease related
- Auxin plays a key role in phototropism
- Plants use phototropism to maximize light capture for photosynthesis
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Description
This quiz explores the concept of phototropism, the process by which plants grow towards light. It covers the role of the hormone auxin in cell elongation and the importance of maximizing sunlight exposure for photosynthesis. Test your understanding of how plants respond to light stimuli and the mechanisms behind these growth patterns.