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- 1. Multiple Choice
What is tropism?
A plant's response to a stimulus
A plant reproducing
An animal's response to a stimulus
A prokaryote's response to a stimulus
- 2. Multiple Choice
Which of these are types of tropism? Select all that apply:
Hydrotropism
Synthetropism
Electrotropism
Gravitropism
- 3. Multiple Choice
What is gravitropism/geotropism?
The movement of a plant in response to gravity
The movement of a plant in response to earthquakes
The movement of bacteria in response to changes in temperature
The movement of plants towards water
- 4. Multiple Choice
What is hydrotropism?
The movement of plants towards water
The movement of plants away from water
The rate of growth of a plant in response to temperature changes in water
A plant's response to gravity and touch
- 5. Multiple Choice
What makes a tropism positive or negative?
Positive = movement towards stimulus, Negative = movement away from stimulus
Negative = movement towards stimulus, Positive = movement away from stimulus
Who cares? It doesn't matter whether it is positive or negative
Positive = when a plant is happy, Negative = when a plant is sad
- 6. Multiple Choice
What is thigmotropism?
The movement of plants in response to touch
The movement of plants toward the sun
A prokaryote's movement inside the bloodstream
The movement of plants in response to gravity
- 7. Multiple Choice
What is phototropism?
The movement of plants towards light
The movement of plants away from light
The movement of plants in response to infrared light
The movement of plants towards water
- 8. Multiple Choice
True or False: A stimulus can be anything that causes a reaction
True
False
- 9. Multiple Choice
External stimuli is
change outside plant
change inside plant
Type of photosynthesis
Type of cellular respiration
- 10. Multiple Choice
any change inside plant is
External stimuli
Stimuli
Transpiration
Internal stimuli
- 11. Multiple Choice
This example for
Internal stimuli
Thigmotropism
Phototropism
no answer correct
- 12. Multiple Choice
The roots have negative
phtotropism
Thigmotropism
Gravitropism
Hormones
- 13. Multiple Choice
Stem has
negative phototropism
positive gravitropism
Positive Phototropism
no answer
- 14. Multiple Choice
Which statement about plant stems is correct?
They are positively phototropic and positively geotropic
They are negatively phototropic but positively geotropic
They are positively phototropic but negatively geotropic
- 15. Multiple Choice
If a plant grows toward a light source, then it is said to be displaying ____________?
negative geotropism
positive phototropism
negative phototropism
- 16. Multiple Choice
What part of the plant responds positively to gravity?
roots
xylem
leaves
- 17. Multiple ChoiceThe shoot of a plant growing up.Positive GeotropismNegative GeotropismThigmotropismHydrotropism
- 18. Multiple ChoiceWhich type of tropism?hydrotropismthigmotropismphototropismgeotropism
- 19. Multiple Choice
Vine grow straight along the ground until they find something to grow around like a mailbox. What made the vine stop growing straight and start wrapping around the mailbox?
negative thigmotropism
negative geotropism
positive geotropism
positive thigmotropism
- 20. Multiple Choice
Which of the following is an example of a negative tropism?
a plant is leaning toward the window
vines are growing around a fence post
a seed sprouts and the shoot from the seed grows away from the earth
a seed sprout and the shoot from the seed grows toward the sunshine
- 21. Multiple Choice
The diagram shows a plant growing while lying on its side. How is the plant reacting positively and negatively to gravity?
the root are reacting negatively by growing downward while the stem and leaves are reacting positively by growing upward
the root are reacting positively by growing downward while the stem and leaves are reacting negatively by growing upward
only the roots are reacting by growing downward
only the leaves and stem are reacting by growing upward
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