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WorksheetsUnit 2/3 Review
Total questions: 25
Worksheet time: 13mins
What is the most abundant gas in our atmosphere?
Nitrogen
Oxygen
Other
None of the above
What is the second most abundant gas in our atmosphere?
Nitrogen
Oxygen
Other
None of the above
What is the habitable zone?
The range that is nearest to the outer planets.
An area where only plants can thrive.
An area free from gravity.
The range of distance away from the sun that is perfect for temperature.
What is the plant’s main goal when performing photosynthesis?
To breathe out water vapor
To make glucose (food)
To produce gases like nitrogen and oxygen
To transport water from the roots
What type of reaction is photosynthesis?
Chemical Reaction
Physical Reaction
Turgor Reaction
Tropism
What type of energy does a plant need to take in to do photosynthesis?
Water Energy
Carbon Dioxide
Glucose
Radiant Energy
How does carbon dioxide enter the plant?
Through the roots
Through the stomata
Through the leaves
Through the chloroplasts
What can happen to a plant’s water when it’s extremely hot and sunny?
Transpiration! The water can evaporate from the plant.
Condensation! The water cannot evaporate from the plant.
Perspiration! Plants can sweat.
None of the above
What are the products of photosynthesis?
Carbon Dioxide and Water
Stomata
Glucose (sugar) and Oxygen
Chloroplasts
What gas is released as a waste product during photosynthesis?
Nitrogen!
Helium!
Oxygen!
Xenon!
If Max forgot to water his plant for 5 days, what will the plant do to try to remain healthy?
Close its stomata to prevent water from evaporating!
Nothing! He needs to buy a new plant!
Open the stomata to release water vapor!
The plant will walk away.
What stimulus (factor) causes geotropism?
Gravity!
Touch!
Light (Radiant Energy)
None of the above
What stimulus (factor) causes phototropism?
Gravity!
Touch!
Light (Radiant Energy)
None of the above
What stimulus (factor) causes thigmotropism?
Gravity!
Touch!
Light (Radiant Energy)
None of the above
If a plant is wilted does it have high or low turgor pressure?
High Turgor Pressure
Low Turgor Pressure
What part of the plant is in charge of moving water from the roots up to the rest of the plant cells?
Leaves
Stem
Phloem
Xylem
What part of the plant is in charge of moving glucose (food) from the leaves to all the other parts of the plant?
Leaves
Stem
Phloem
Xylem
What part of the plant cell (Organelle) is responsible for photosynthesis?
The Leaves
The Stomata
The Chloroplasts
The Chlorophyll
In the picture, A represents what kind of tropism?
Positive Geotropism
Negative Geotropism
Negative Thigmotropism
Positive Thigmotropism
In the picture, B represents what kind of tropism?
Positive Geotropism
Negative Geotropism
Negative Thigmotropism
Positive Thigmotropism
What factor make Earth Habitable? Select ALL that apply.
Liquid Water
Extreme heat/cold
Moderate temperature
An atmosphere made of gases (Oxygen, Nitrogen)
Gravity
If you forget to water your plant for 4 days and its turgor pressure is low, how might your plant respond in order to maintain homeostasis?
Open the stomata to transpire more
Move roots upwards
Close the stomata to prevent transpiration
Nothing, The plant is dead.
What energy transformation occurs in photosynthesis?
Chemical to Radiant
Radiant to Radiant
Radiant to Chemical
Chemical to Mechanical
The process in the picture is an example of....
Geotropism
Germination
Homeostasis
Phototropism
What does "homeostasis" mean?
Chillin' with my friends
Keeping things at a balance
Moving out oxygen only
None of the above
