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If a chemical increases cell division in a plant but does not directly increase stem length which hormone is it acting like?

Answer and explanation

Correct answer: Cytokinin

The governing concept is the role of plant hormones in growth regulation. Cytokinins primarily promote cell division and help form new tissues, whereas gibberellins are more strongly associated with stem elongation. Since the stated effect is increased division without direct stem lengthening, the chemical acts like cytokinin, so A is correct. Adrenaline and insulin are animal hormones and do not explain this plant response.

Related tags

Control CoordinationPlant HormonesCytokininPlant HormonesControl And CoordinationScienceClass 10 Mcq

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