Phototropic and geotropic movements are linked to

Gibberellins

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Enzymes

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Auxin

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Cytokinins

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Solution

The correct option is C Auxin
Phototropic and geotropic movements are related to differential hormone action. Shoot grows positively phototropic and negatively geotropic. Whereas roots grow negatively phototropic and positively geotropic. Auxin is the phytohormone which induces apical dominance and phototropic movements.

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Similar questions

Phototropic movement of shoot and geotropic movement of root are called growth movements in plants.

Stems are :

(a) positively geotropic and negatively phototropic

(b) positively geotropic and positively phototropic

(d) negatively phototropicand positively geotropic

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