HYPERSENSITIVITY
CYTOKINES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these can prevent the falling of leaves?
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abscisic acid
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cytokinins
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auxin
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florigen
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Explanation:
Detailed explanation-1: -Final Answer: Auxins helps in preventing the premature falling of fruit and leaf at early stages.
Detailed explanation-2: -Cytokinins prevent yellowing by stabilizing the content of protein and chlorophyll in the leaf and the structure of chloroplasts.
Detailed explanation-3: -Cytokinins are essential plant hormones. By stimulating cell division, they regulate shoot meristem size, leaf primordia number, and leaf and shoot growth. They can stimulate both the differentiation and the outgrowth of axillary buds. The cytokinins can mediate axillary bud release from apical dominance.
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