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Questions and Answers
Which hormone promotes cell elongation and is responsible for phototropism and geotropism in plants?
Which hormone promotes cell elongation and is responsible for phototropism and geotropism in plants?
- Gibberellins
- Auxins (correct)
- Ethylene
- Cytokinins
Which hormone is associated with promoting seed germination, stem elongation, and flowering in plants?
Which hormone is associated with promoting seed germination, stem elongation, and flowering in plants?
- Cytokinins
- Auxins
- Ethylene
- Gibberellins (correct)
Which hormone is involved in the regulation of plant responses to stress, such as drought and cold?
Which hormone is involved in the regulation of plant responses to stress, such as drought and cold?
- Ethylene
- Auxins
- Cytokinins
- Abscisic acid (correct)
Which hormone is responsible for promoting cell division and is involved in the prevention of leaf senescence (aging) in plants?
Which hormone is responsible for promoting cell division and is involved in the prevention of leaf senescence (aging) in plants?
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What is the function of ethylene in plants?
What is the function of ethylene in plants?
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Study Notes
Plant Hormones
- Auxins promote cell elongation and are responsible for phototropism and geotropism in plants.
- Gibberellins are associated with promoting seed germination, stem elongation, and flowering in plants.
- Abscisic acid is involved in the regulation of plant responses to stress, such as drought and cold.
- Cytokinins are responsible for promoting cell division and preventing leaf senescence (aging) in plants.
- Ethylene is involved in fruit ripening and senescence (aging) in plants.
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