What is phototropism? Describe an activity to demonstrate phototropism.

Phototropism- It is the change in movement of plant that takes place due to the presence of light.

Following activity can be performed in order to observe

Phototropism:

•Take a small plant grown in a conical flask filled with water.

•Place it into a cardboard box which is open from one side.

•Now, place it near a window in such a way that the open side of the cardboard is towards the window from where light will come.

•Allow it to be there for 3-4 days.

•Now observe for the change in the plant.

•Change in the movement of shoot and root will be observed. The shoot will move towards the sunlight and root will move away from it.