Plant Responses to Stimuli

A student places a plant in a dark room next to a growth lamp, while providing sufficient water and nutrients to ensure the plant's growth and survival.  The plant is likely to respond by-

• bending towards the lamp.

• wilting and eventually dying.

• shedding all of its leaves.

• increasing its rate of photosynthesis

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

The water pressure inside plant cell vacuoles is called _______.

• Wilting

• Turgor Pressure

• Geotaxi

• Phototropism

Tags

NGSS.MS-LS1-2

______________is a response that results in plant growth toward or away from a stimulus.

• Stimuli

• gravity

• weather

• tropism

What is phototropism?

• Response to water

• Response to touch

• Response to gravity

• Response to light

Tags

NGSS.MS-LS1-6

What is geotropism?

• Response to water

• Response to touch

• Response to gravity

• Response to light

When a plant grows toward a stimuli, what kind of response is that?

• negative response

• positive response

• neutral response

• not any kind of response, it's just the way things happen.

_____________ are any changes in an organism's environment that cause a response.

• Stimuli

• tropism

• photoperiodism

• plant hormones

Tags

NGSS.MS-LS1-8

is a plant's response to the number of hours of darkness in its environment.

• plant hormones

• tropism

• night

• photoperiodism

The substances that act as chemical messengers in a plant is called a?

• stimuli

• tropism

• plant hormones

• touch

Which type of plant hormone causes fruit to ripen?

• auxins

• polystyrene

• ethylene

• carbohydrates