Question

The movement of sunflower in accordance with the path of sun is due to

Options

• phototropism

• geotropism

• chemotropism

• hydrotropism

Answer 1

phototropism

Explanation - 

A tropism is the growth of a plant as a response to a stimulus, and phototropism occurs when a plant responds to light by bending in the direction of the light. So the movement of sunflower in accordance with the path of the sun is due to phototropism.