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Questions and Answers
What is the main role of auxin in plants?
What is the main role of auxin in plants?
- Promoting photosynthesis
- Increasing leaf thickness
- Enhancing root growth
- Regulating plant cell elongation (correct)
Who is attributed with the discovery of auxin?
Who is attributed with the discovery of auxin?
- Louis Pasteur
- Gregor Mendel
- Frits Went
- Charles Darwin and Francis (correct)
What did Darwin and his son observe in their experiments with coleoptiles?
What did Darwin and his son observe in their experiments with coleoptiles?
- Thickening of stem tissues
- Enhanced leaf coloration
- Root development in canary grass
- Growth of coleoptiles towards light (correct)
When was the growth promoting chemical that was later named auxin first demonstrated?
When was the growth promoting chemical that was later named auxin first demonstrated?
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What happens to the coleoptile if the tip is covered with tin foil during Darwin's experiment?
What happens to the coleoptile if the tip is covered with tin foil during Darwin's experiment?
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Where is the region responsible for bending towards light located in the coleoptile?
Where is the region responsible for bending towards light located in the coleoptile?
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