Quiz Answers
1. Osmosis is the movement of _____ across a membrane.
- food
- energy
- oxygen
- water
2. Which is true about active transport?
- it requires energy
- it does not require energy
- It moves substances down the concentration gradient
- it moves material from high to low concentration
3. This picture represents what type of cell transport?
- endocytosis
- exocytosis
- osmosis
- passive transport
4. Movement across the cell membrane that does not require energy is called
- active transport
- passive transport
5. Due to the higher concentration of oxygen in the air than your blood, oxygen goes from the lungs into the red blood cells by….
- Facilitated Diffusion
- Simple Diffusion
- Active Transport
- Osmosis
6. This cell structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells.
- vacuole
- nucleus
- cell membrane
- cell wall
7. Passive transport requires no
- concentration gradients
- osmosis
- motion
- energy
8. What type of transport is illustrated?
- facilitated diffusion
- active transport
- diffusion
- osmosis
9. This picture represents which type of cellular transport?
- passive transport
- endocytosis
- exocytosis
- osmosis
10. Which of the following is not an example of active transport?
- sodium-potassium pump
- endocytosis
- exocytosis
- facilitated diffusion
11. When particles move out of a cell through facilitated diffusion, the cell ____________.
- gains energy
- uses energy
- releases energy
- does not use energy
12. Which of these is NOT a type of passive transport?
- Endocytosis
- Osmosis
- Diffusion
- Facilitated diffusion
13. Which way would the purple molecules move through the semi permeable membrane?
- From the A side to the B-side
- From the B side to the A side
- None of the purple molecules would move
14. Large molecules and ions can easily pass through the cell membrane without any help
- true- they pass right through
- false- they need a protein channel
15. The picture is an example of…
- active transport
- passive transport
- diffusion
- osmosis
16. Particles too large to enter the membrane…need help from channel proteins…no energy is required.
- active transport
- passive transport
- facilitated diffusion
17. The movement of molecules against a concentration gradient
- simple diffusion
- facilitated diffusion
- active transport
- osmosis
18. If a molecule passes through a protein, but goes down a gradient, it is called
- active transport
- endocytosis
- facilitated diffusion
- exocytosis
19. The difference in the concentration of a substance across a space is called a concentration
- equilibrium
- gradient
20. If there is a concentration gradient, substances will move from an area of high concentration to an area of ________ concentration
- low
- equal
21. The cell membrane is
- impermeable
- selectively (semi) permeable
22. A solution that causes a cell to swell is called a
- hypertonic
- hypotonic
- isotonic
23. This cell was placed into which type of solution?
- Hypertonic
- Hypotonic
- Isotonic
- Cannot determine
24. The salt in the glass of saltwater is considered the
- solvent
- solution
- pepper
- solute
25. 
- Isotonic Solution
- Hypertonic Solution
- Hypotonic Solution
- Facilitated Diffusion
26. 
- Isotonic Solution
- Hypertonic Solution
- Hypotonic Solution
- Facilitated Diffusion
27. In the given scenario what will happen to the organism: salt is poured onto eggplant.
- Water will move out of the eggplant cells and the cells will shrink.
- Water will move out of the eggplant cells and the cells will swell.
- Water will move into the eggplant cells and the cells will swell.
