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Questions and Answers
Which plant hormone is responsible for the growth of roots and stems?
Which plant hormone is responsible for the growth of roots and stems?
- AUXIN (correct)
- Abscisic acid
- Ethylene
- Gibberellin
What type of tropism makes plants respond to light?
What type of tropism makes plants respond to light?
- Gravitropism
- Hydrotropism
- Phototropism (correct)
- Thigmotropism
Which plant hormone is stimulated by water for seed germination?
Which plant hormone is stimulated by water for seed germination?
- Cytokinin
- Ethylene
- Abscisic acid
- Gibberellin (correct)
What type of tropism makes plants respond to gravity?
What type of tropism makes plants respond to gravity?
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What triggers flowering in plants based on the amount of light during the day?
What triggers flowering in plants based on the amount of light during the day?
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Study Notes
Plant Hormones and Tropisms
- Auxin is responsible for the growth of roots and stems.
- Phototropism is the type of tropism that makes plants respond to light.
- Gibberellin is the plant hormone stimulated by water for seed germination.
- Geotropism is the type of tropism that makes plants respond to gravity.
- Photoperiodism triggers flowering in plants based on the amount of light during the day.
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