How many types of Tropism are there – InterviewSolution

InterviewSolution

1.	How many types of Tropism are there
Answer» F tropism include phototropism (response to light), geotropism (response to gravity), chemotropism (response to particular substances), HYDROTROPISM (response to water), thigmotropism (response to mechanical stimulation), traumatotropism (response to wound lesion), and galvanotropism, or electrotropism (response to electric current). Most tropic movements are orthotropic; i.e., they are directed toward the SOURCE of the stimulus. PLAGIOTROPIC movements are oblique to the direction of stimulus. Diatropic movements are at right ANGLES to the direction of stimulus.

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