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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
True or False: a stimulus is anything that causes a plant to die
True
False
- 4. 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
- 5. Multiple Choice
True or False: Gravitropism can be either negative or positive
True
False
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. Multiple Choice
Is phototropism positive or negative?
Positive
Negative
Neither
Both
- 11. Multiple Choice
True or False: A stimulus can be anything that causes a reaction
True
False
- 12. Multiple Choice
What is an example of gravitropism?
a chemical messenger produced by a plant
the growth of a plant root towards the centre of the Earth
the growth of a plant shoot towards light
- 13. Multiple Choice
If a plant grows toward a light source, then it is said to be displaying ____________?
negative geotropism
positive phototropism
negative phototropism
- 14. Multiple ChoicePoison Ivy growing on a tree by touch.GravitropismPhototropismThigmotropismHydrotropism
- 15. Multiple ChoiceThe shoot of a plant growing up.Positive GravitropismNegative GravitropismThigmotropismHydrotropism
- 16. Multiple Choice
A sunflower turns toward the sun, what type of tropism would this be?HypothyroidismPhototropismThigmotropismGeotropism - 17. Multiple Choice
Auxins are responsible for _____________ of a plant
Colour change
Watering
Phototropism
Growth
- 18. Multiple Choice
Where is auxin formed
Tip of stem and root
Leaves
Embryo
All
- 19. Multiple Choice
What is the reaction that is shown by the plant in the figure above?
Positive hydrotropism.
Negative phototropism.
Positive thigmotropism.
Negative geotropism.
- 20. Multiple Choice
What is the phenomenon that is affecting the growth of the bean shoot
gravitrophism
phototropism
thigmotrophism
rapid movement
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