What is the main hormone responsible for coordinating plant growth and development?

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Cytokinin

Auxin

Gibberellin

Abscisic acid

answer is B.

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Detailed Solution

The main hormone responsible for coordinating plant growth and development is auxin. Auxin is a plant hormone that regulates many aspects of plant growth and development, including cell elongation and division, apical dominance, phototropism, and differentiation of tissues such as the shoot and root.

Hence, the correct option is auxin.

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