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- 1. Multiple Choice
A glucose molecule diffuses out of a cell through the selectively permeable cell membrane. What is this an example of?
Active Transport
Osmosis
Passive Transport
- 2. Multiple Choice
The diagram shows three animal cells. Pairs of red circles represent oxygen molecules. Between which two cells is there the highest oxygen concentration gradient?
One and Two
Two and Three
One and Three
- 3. Multiple Choice
The diagram shows three plant cells and the solute concentrations of their cell solutions.
Between which cells will the movement of water by osmosis occur?
From three to one
From one to three
From one to two
- 4. Multiple Choice
What may happen to red blood cells placed in distilled water?
They may burst
They may become turgid
They may shrink
- 5. Multiple Choice
What structure can prevent a plant cell from bursting when it gains water by osmosis?
Cell Membrane
Cell Wall
Vacuole
- 6. Multiple Choice
What happens to plant cells that are placed in distilled water?
They will burst
They will become plasmolysed
They will become turgid
- 7. Multiple Choice
The diagram shows a cube of potato, (P), in a beaker containing a solution containing a very high sugar concentration (R). After one hour, what will have happened to cube P?
It will gain mass
It will lose mass
It will remain the same
- 8. Multiple Choice
What could cause a plant cell to become plasmolysed?
Gain of water
Loss of water
The vacuole swelling up
- 9. Multiple Choice
Which process requires energy in order to happen?
Osmosis
Passive Movement
Active Transport
- 10. Multiple ChoiceWhat is diffusion?when molecules movewhen molecules move from a high concentration to a low.no movementmolecules move everywhere
- 11. Multiple ChoiceWhere is there a low concentration of dye?at the bottom of cupin the colorat the top of cupno concenteraion gradient
- 12. Multiple ChoiceThe picture below is an example of _________________.osmosisisotonicdiffusionactive transport
- 13. Multiple ChoiceOsmosis is the movement of _____ across a membrane.foodenergyoxygenwater
- 14. Multiple ChoiceWhere is there a high concentration of water?in the flowercannot be determined by picture.in the vasein the leaves
- 15. Multiple ChoiceWhat is the definition of Selective Permeability?The movement of materials across the cell membrane that requires NO ENERGY from the cell.The movement of materials through (or across) the cell membraneThe ability of the cell membrane to allow some things to pass through while preventing other things from passing through.The movement of molecules from an area of high concentration to a area of low concentration
- 16. Multiple ChoiceWhen both inside and outside of a cell have the same amount of water it is said that the cell has reached a state ofOsmosisDiffusionEquilibrium
- 17. Multiple ChoiceA person would never have pure water put into their veins in a hospital because their cells would...Shrink/DehydrateExpand
- 18. Multiple ChoiceA person should never drink salty water because their cells wouldshrinkexpand
- 19. Multiple ChoiceThe picture is an example of...active tranportpassive transportdiffusionosmosis
- 20. Multiple ChoiceSometimes, energy is required for ____ molecules to go in or out of the cell because they cannot fit into the membrane.bigsmallcrunchywater
- Answer choicesTagsAnswer choicesTags