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Worksheets3rd 6 weeks review
Total questions: 25
Worksheet time: 23mins
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
Which of these is an example of a stimulus?
Fire
A plant moving towards water
A virus duplicating
Which of these are types of tropism? Select all that apply:
Hydrotropism
Synthetropism
Electrotropism
Gravitropism
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
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
True or False: Gravitropism can be either negative or positive
True
False
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
Which of these are not tropisms? Select all that apply:
Gravitropism
Chemotropism
Phototropism
Tempertropism
What is the stimulus in this example?
Internal
Light
Touch
Temperature
The shoot of a plant growing up.
Positive geotropism
Negative geotropism
Thigmotropism
Hydrotropism
A plant growing in response to a greenhouse light.
Geotropism
Phototropism
Thigmotropism
Hydrotropism
Venus Flytrap flower reacts to a bug.
Thermotropism
Negative Geotropism
Thigmotropism
Hydrotropism
Rhododendron leaves close in cold weather.
Heliotropism
Thigmotropism
Phototropism
Thermotropism
Sunflowers turning towards the sun.
Hydrotropism
Phototropism
Thigmotropism
Geotropism
you come into class and see that your flower in the stand is wilted. You quickly bring it to my attention and I add water to all the cups. By the end of the day when you come by you notice that your flower is standing up tall. What caused this to occur?
The water increased the turgor pressure inside the plants cells, exerting an outward force on the cell walls.
Hydrotropism
The water decreased the turgor pressure inside the plants cells, exerting an inward force on the cell walls.
The water increased the weight of the plant cells, allowing gravity to exert a downward force straightening them
A plant response to light is similar to your immune system responding to an infection. When your body has an infection or disease it helps fight it by doing what?
Sleep
Makes you hungry for more food
Develop a fever
Causes you to grow to the light
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 negative geotropism?
The roots
The leaves and stem
The roots in this plant are exhibiting (showing)
Hydrotropism & Geotropism
Photoropism
Only geotropism
Thigmotropism & Phototropism
A change in an organism’s external environment that causes a response from the organism.
External Stimuli
Internal Stimuli
Energy Transformation
Turgor Pressure
In plant cells, the force, exerted by the flow of water, within the cell that pushes the plasma membrane against the cell wall. This force gives plants structure and helps them stand up and not wilt.
External Stimuli
Internal Stimuli
Energy Transformation
Turgor Pressure
