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प्रश्न
Which chemical is used for producing polypolid?
विकल्प
cytokinin
nitrous acid
colchicine
IAA
MCQ
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उत्तर
colchicine
Explanation:
Colchicine inhibits spindle-fibre formation and can cause chromosome doubling, producing polyploid cells. Cytokinin and IAA are plant growth regulators, while nitrous acid is not the chemical used here.
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