The movement of plant part in the direction of light is:
Phototropism
Phototrophic movement is the response of plants towards light.
Positive phototropism: If the plant part moves towards the light, it is called positive phototropism.
Negative phototropism: If the plant part moves away from the light, it is called negative phototropism.
Geotropism: The growth of the parts of plants in response to the force of gravity.
Hydrotropism: The growth of the parts of plants towards moisture.