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Question
A plant hormone which delays senescence and helps in cell division is .............
A plant hormone which delays senescence and helps in cell division is .............
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Solution
The correct option is C Cytokinin
Cytokinins are the plant hormones which has manifold effects on plants. It includes delaying of senescence, active cell division and so on. Cytokinins increase cell division by stimulating proteins needed for mitosis. Mitosis is non-sexual cell division that occurs in all living things producing additional cells for body growth. The active principle responsible for inducing cell division was isolated first from the extracts of yeasts. Such a substance was called kientin, later the name was changed and called as cytokinin.
Cytokinins are the plant hormones which has manifold effects on plants. It includes delaying of senescence, active cell division and so on. Cytokinins increase cell division by stimulating proteins needed for mitosis. Mitosis is non-sexual cell division that occurs in all living things producing additional cells for body growth. The active principle responsible for inducing cell division was isolated first from the extracts of yeasts. Such a substance was called kientin, later the name was changed and called as cytokinin.
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