Plant Responses to Stimuli

Stimuli are ___________

• changes in the condition of the surrounding environment.

• process in which organisms grow larger.

• a reaction to a change in surroundings

What is an example of a stimulus for plants?

• Touch

• Light

• Gravity

• Water

• all of the above

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

How do plants respond to gravity?

• The stem and roots both grow downward.

• The stem and roots both grow upward.

• The stem grows downward and the roots grow upward.

• The stem grows upward and the roots grow downward.

The plants in the above diagram respond to

• Light

• Water

• Touch

• Gravity

What is the stimuli related to the tree shown above?

• Water

• Light

• Touch

• Gravity

Which plant responds in the same way as the mimosa leaves?

• Rose plant

• Venus flytrap

• Aloe vera

• Pineapple plant

State the type of stimulus that causes the response by the plant above?

• light

• touch

• gravity

• water

Diagram shows an observation made at the end of experiment. What conclusion can be made from the observation?

• The shoot respond to food

• The roots respond to gravitational pull

• The leaves respond to touch

• The shoot respond to water

The roots of a plant grow down because it is respond to....

• Gravity

• Light

• Temperature

• All of the above

How do stems respond to light?

• It grows away from the light

• It grows towards the trees

• It grows towards the roots

• It grows towards the light