The cut flowers and vegetables can be kept fresh a long period by this
plant hormone ...............

Gibberellins

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Cytokinins

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Auxins

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Ethylene

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2,4 - dichlorophenoxy acetic acid

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Solution

The correct option is B Cytokinins
Cytokinin is the plant hormone which is found to have profound effects in delaying the ageing of plant and thus increases the shelf life of vegtables and fruits. It acts by retarding the destruction and degeneration of chlorophyll and proteins. This is called as 'Richmond Lang effect'.

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