Plant Respond to Stimulus

Examples of stimuli for plants

Water, gravity, light and touch

The stimulus for roots

Water and gravitational pull

The stimulus for shoots

Light

The stimulus for leaves

Some plants' leaves stimulated by touch

Response of shoot to the light

It grows in the direction of the light

Response of root to the water and gravitational pull

It grows in the direction of water and gravitational pull

Examples of plants that respond to touch

Mimosa pudica & Venus flytrap

Mimosa pudica response to touch

It will droop and fold its leaves inward when touched

Venus flytrap response to movement and touch

It will snap shut of the leaf and trap insect

The reason why shoot grows in the direction of light

A plant hormone responds to the sunlight and causes the shoot to grow in the direction of sunlight