Which of the following substances act as a ke | vedclass

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(B) Plant growth regulators (PGRs),commonly known as plant hormones,are small,simple molecules of diverse chemical composition. These substances act a

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Hormones

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(B) Plant growth regulators (PGRs),commonly known as plant hormones,are small,simple molecules of diverse chemical composition. These substances act as key regulators of plant growth and development by either promoting (e.g.,auxins,gibberellins,cytokinins) or inhibiting (e.g.,abscisic acid,ethylene) various physiological processes. Therefore,hormones are the primary substances that function as key growth regulators.

Which of the following substances act as a key growth regulator?

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