ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
ENDOCRINE ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The ripening of fruit and the dropping of leaves and fruit are principally controlled by ____
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auxins.
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indole acetic acid.
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cytokinins.
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ethylene.
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Explanation:
Detailed explanation-1: -In climacteric fruit, the plant hormone ethylene is the major cue that controls most aspects of ripening. By contrast, the ripening of nonclimacteric fruit does not strictly depend on ethylene, and the nature of the triggers of ripening in this type of fruit remains yet to be elucidated.
Detailed explanation-2: -Ethylene causes ripening of fruits. Auxin is responsible for the growth of shoots.
There is 1 question to complete.