Tropisms and Homeostasis

The word Tropism mean_________

• growth in response to stimuli
• to create something new
• Chemical energy
• Taproot system

What does it mean if a plant has a POSITIVE phototropism?

• That the plant grows toward light.
• That the plant grows away from light.
• That the plant grows toward gravity.
• That the plant grows away from gravity. 

What does it mean if a plant has a POSITIVE gravitropism?

• That the plant grows toward light.
• That the plant grows away from light.
• That the plant grows toward gravity.
• That the plant grows away from gravity. 

Tags

NGSS.MS-LS1-5

What does it mean if a plant has a NEGATIVE gravitropism?

• That the plant grows toward light.
• That the plant grows away from light.
• That the plant grows toward gravity.
• That the plant grows away from gravity. 

Plants curling around a pole or mailbox is an example of:

• Phototropism

• Germination

• Turgor pressure

• Thigmotropism

When plants grow in towards the light, this is called:

• Phototropism

• Geotropism

• Germination

• Thigmotropism

Which part of the plant shows positive geotropism?

• Stem

• Leaves

• Roots

• Seed

Which part of the plant shows negative geotropism?

• The roots

• The leaves and stem

If a plant experiences a gravitropism, then it will do what?

• Grow toward or away from light. 
• Grow away from light. 
• Grow toward light.
• Grow in response to gravity. 

Tags

NGSS.MS-LS1-5

What type of tropism response to water? 

• Hydrotropism
• Gravitropism
• Thigmotropism
• Phototropism