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Questions and Answers
Which hormone is responsible for the elongation of shoots and roots, gravitropism, and phototropism?
Which hormone is responsible for the elongation of shoots and roots, gravitropism, and phototropism?
- Abscisic acid
- Auxins (correct)
- Cytokinins
- Gibberellins
Which hormone promotes the sprouting of lateral buds?
Which hormone promotes the sprouting of lateral buds?
- Auxins
- Abscisic acid
- Gibberellins
- Cytokinins (correct)
Which hormone is responsible for the germination of seeds and sprouting of buds, elongation of stems, stimulation of flowering, and development of fruit?
Which hormone is responsible for the germination of seeds and sprouting of buds, elongation of stems, stimulation of flowering, and development of fruit?
- Abscisic acid
- Ethylene
- Gibberellins (correct)
- Cytokinins
Which hormone is responsible for the closing of stomata and seed dormancy?
Which hormone is responsible for the closing of stomata and seed dormancy?
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Which hormone is responsible for the ripening of fruit?
Which hormone is responsible for the ripening of fruit?
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Study Notes
Plant Hormones and Their Functions
- Auxin is responsible for the elongation of shoots and roots, gravitropism, and phototropism.
- Cytokinin promotes the sprouting of lateral buds.
Gibberellin Functions
- Gibberellin is responsible for the germination of seeds and sprouting of buds, elongation of stems, stimulation of flowering, and development of fruit.
Abscisic Acid Functions
- Abscisic acid is responsible for the closing of stomata and seed dormancy.
Ethylene Functions
- Ethylene is responsible for the ripening of fruit.
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