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- 1. Multiple Choice
What does xylem transport?
Water and minerals
Water only
Sugar
Food
- 2. Multiple Choice
Where is xylem found in the plant?
leave -> roots -> stem
roots -> stem -> leaves
root hairs -> leaves -> veins
stem -> roots
- 3. Multiple Choice
Is mature xylem alive or dead?
Alive
Dead
- 4. Multiple Choice
Which of the following does NOT affect rate of transpiration?
Water in the soil
Temperature
Amount of sunlight
Wind
- 5. Multiple Choice
What do the guard cells do?
Control active transport
Control nutrients moving into the cell
Controls the rate of transpiration (loss of water through the leaf)
- 6. Multiple Choice
Water and minerals move in which direction within the plant
Upward
Down
- 7. Multiple Choice
Which environmental condition lowers the rate of transpiration?
Abundant sunshine
High humidity
Cloudy days
High temperatures
- 8. Multiple Choice
What does phloem transport?
Water
Minerals
Fruit
Sugar
- 9. Multiple Choice
Are phloem cells alive or dead?
Alive
Dead
- 10. Multiple Choice
The most common sugar made by plants is?
Sucrose
Gluten
Cellulose
Carbohydrates
- 11. Multiple Choice
Where does sugar transport begin?
Roots
Leaves
Root hairs
Vascular bundles
- 12. Multiple Choice
What is the main factor that influences the rate of sugar transport?
movement of water
Rate of photosynthesis
capillary action
uprooting plants
- 13. Multiple Choice
Which of the following is NOT a characteristic of plants?
Being photosynthetic
Being multicellular
Being Eukaryotic
No membrane bound organelles
- 14. Multiple Choice
Structures represented in the illustration below are found in the lower epidermis of a plant leaf. The illustration at the right shows the response to a certain environmental condition.
The response represented in the illustration would most likely be caused by-
a reduced supply of oxygen
long periods of rainfall
high concentration of glucose
little available water
- 15. Multiple Choice
Students are instructed to place leafy celery stalks into color water in a beaker overnight. The following day, the students observed the color of the celery leaves changed from green to red. The students cut across the edge of the celery and observed the small tube openings along the edge are also red.
How do the plant systems work together to make the movement of the liquid possible?
The roots absorb the water, minerals move up the stem, while the stem moves food produced in the leaves down to the roots.
The roots anchor the plant into the soil and the stem holds the leaves up.
The roots absorb their own water and minerals and the leaves push out CO2.
The roots lose water vapor to the soil and the stem loses water vapor through the leaves.
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