Phototrophic and Geotropic movements are linked to A) Gibberellins B) Enzymes C) Auxin D) Cytokinis
Option C) 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