Plant Responses Unit Test

The roots of a weeping willow that grow towards a plentiful water source is what type of tropism?

• phototropism

• thigmotropism

• gravitropism

• hydrotropism

Answer explanation

What will happen to a plant if it does not have enough water?

• it's turgor pressure will increase and it will stand upright

• it's turgor pressure will decrease and it will wilt

• it will die immediately

• nothing will happen to it...plants don't need water

The movement or growth of a plant in response to light

• Thigmotropism

• Geotropism

• Phototropism

• Hydrotropism

Which type of tropism is represented in the GIF?

• Hydrotropism

• Thigmotropism

• Phototropism

• Geotropism

Changes in an organism's environment that cause a response

• Tropism
• Hormone
• Stimuli
• Response

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Plant’s roots grow down, anchoring it into the soil. To what stimulus is the plant responding?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

What type of tropism is demonstrated by a venus fly trap when it snaps shut on an insect?

• thigmotropism

• hydrotropism

• phototropism

• gravitropism

The shoot of a plant growing up. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

Tags

NGSS.MS-LS1-5

Leaves are composed of vascular tissue. What level of organization best describes leaves?

• Tissue

• Organ

• Organ system

• Organism

Tags

NGSS.HS-LS1-2

The maintenance of an organism’s internal environment is called:

• stimulus

• homeostasis

• balancing

• stimuli