Question

how does control and coordinate occured in plant and how ​

Answer 1

Answer:

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Explanation:

✒Control and coordination in plants is performed by chemical substances known as plant hormones or phytohormones.

✒The synthesis and action of phytohormones are greatly influenced by external stimuli.

✒Plants respond to photoperiodic stimulus by specialized pigment present in very small quantity called phytochrome.

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Answer 2

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CONTROL COORDINATION IN PLANTS.

Control and coordination in plants is occured by hormones mostly like Auxin, Gibberellin, Cytokinis, ABA and Ethylene.

The response to stimulus include growth and non growth movements.

• Growth movements are Tropic

• Non growth movements are Nastic

Tropic includes phototropic, Thiegotropic, geotropic moverments.etc.

Nastic includes Seismonastic. Nyctinastic, Thermonastic, Photonastic, etc.

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