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WorksheetsStimuli and Response
Total questions: 26
Worksheet time: 43mins
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
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 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
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
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
External stimuli is
change outside plant
change inside plant
Type of photosynthesis
Type of cellular respiration
any change inside plant is
External stimuli
Stimuli
Transpiration
Internal stimuli
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
If a plant grows toward a light source, then it is said to be displaying ____________?
negative geotropism
positive phototropism
negative phototropism
What plant cell process is being shown in this video after the water is added to the soil?
The plant cell vacuoles are filling with water and increasing turgor pressure.
The plant cell vacuoles are losing water and decreasing turgor pressure.
The plant cell vacuoles are loosing water and starting to collapse from gravitational pressure.
The plant cell vacuoles are responding to light and forcing the plant to grow upwards.
Any change in an organism’s environment that causes the organism to react. Example: The Sun would be this for a plant demonstrating phototropism.
Stimulus
Response
Effect
Force
How an organism reacts to a stimulus, usually resulting in a change of behavior. Example: A plant grows towards a window because of the light from the Sun.
Stimulus
Response
Effect
Force
What is the force inside the central vacuole called?
The Force
Turgor Pressure
Water Pressure
Thigmotropism
What happened to this plant and why?
The plant is dying due to lack of sunlight.
The plant is withering due to lack of nutrients.
The plant is sad it has no plant friends.
The plant is wilting due to lack of water.
What plant cell structure is this and why is it important to plants?
mitochondria, the powerhouse of the cell
vacuole, it stores water and nutrients for plants
nucleus, the brain of the cell
chloroplast, conducts photosynthesis for plants
What happened to this cell and why?
The cell is growing due to increased turgor pressure
The cell shrunk due to lack of turgor pressure
The cell needs more radiant energy and has shrunk
The cell has been damaged beyond repair
Which of these is an internal stimulus?
Pizza
A Bear
Thirst
light
When you blink in response to something coming towards your eye, this is called a...
stimulus
change
response
tropism
What is response?
Answering a question
Organism's reaction to a stimulus
A flower
All of these
What is Response?
What we do on the situation
Answering a question.
A flower
all of these.
Identify the response:
You are at the mall walking through the food court. You smell fresh baked pizza and realize that you skipped lunch. You buy a piece of pizza and eat it before going to buy your CD
the smell of pizza
buying a piece of pizza
buying the CD
food court
Identify the stimulus..."A person shivers because it is cold outside"
Cold temperature
A person shivers
What is an example of a stimulus for plants?
Touch
Gravity
Light
all of the above
external stimuli
a stimulus that comes from outside an organism.
a stimulus that comes from inside an organism.
internal stimuli
a stimulus that comes from inside an organism.
a stimulus that comes from outside an organism.
