Question

what do you mean by tropism and what is positive and negative phototropism

Answer 1

The turning of all or part of an organism in a particular direction in response to an existing stimulus is called tropism
Phototropism is one of the
many plants tropism or movement which response to external stimuli

Answer 2

Tropism- movement of palnt or plant part towards the stimulus is called tropism.

-:Shoots are positively phototrophic and negatively geotrophic.

-:Roots are positively geotrophic and negatively phototrophic.