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Question
Which of the following hormone promotes ripening of fruit?
Which of the following hormone promotes ripening of fruit?
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Solution
The correct option is D Ethylene
Fruit ripening is a highly coordinated developmental process that coincides with seed maturation.
The ethylene is a plant hormone which is transported through the spaces between the plant cells. It was observed that unripe bananas ripened faster when stored with ripe bananas. Later, the substance promoting the ripening was found to be ethylene. Ethylene is highly effective in fruit ripening as it enhances the respiration rate during the ripening of the fruits. Ethylene is a gas and is known as the “fruit-ripening hormone.”
Abscisic acid is the plant hormone, which is responsible for dormancy of seeds and inhibition of seeds. It stimulates the closure of stomata, inhibit shoot growth, and stimulate the storage of proteins in seeds.
Cytokinins are a class of plant hormones that promote cell division, or cytokinesis, in plant roots and shoots. They are involved primarily in cell growth and differentiation, but also affect apical dominance, axillary bud growth, and leaf senescence.
Gibberellins are plant growth regulators that facilitate cell elongation, help the plants to grow taller and in germination.
So, the correct answer is "Ethylene"
Fruit ripening is a highly coordinated developmental process that coincides with seed maturation.
The ethylene is a plant hormone which is transported through the spaces between the plant cells. It was observed that unripe bananas ripened faster when stored with ripe bananas. Later, the substance promoting the ripening was found to be ethylene. Ethylene is highly effective in fruit ripening as it enhances the respiration rate during the ripening of the fruits. Ethylene is a gas and is known as the “fruit-ripening hormone.”
Abscisic acid is the plant hormone, which is responsible for dormancy of seeds and inhibition of seeds. It stimulates the closure of stomata, inhibit shoot growth, and stimulate the storage of proteins in seeds.
Cytokinins are a class of plant hormones that promote cell division, or cytokinesis, in plant roots and shoots. They are involved primarily in cell growth and differentiation, but also affect apical dominance, axillary bud growth, and leaf senescence.
Gibberellins are plant growth regulators that facilitate cell elongation, help the plants to grow taller and in germination.
So, the correct answer is "Ethylene"
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