Unit 4 Target 3-6: Cell Transport & Homeostasis Quiz

17 Questions | By Hbhutta | Updated: Mar 21, 2022 | Attempts: 75

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Unit 4 Target 3-6: Cell Transport & Homeostasis Quiz - Quiz

Questions and Answers

1.

Which of the following does NOT expend energy?
- A.
  
  Active transport
- B.
  
  A sodium-potassium pump
- C.
  
  Diffusion
- D.
  
  Endocytosis
2.

Which means of particle transport requires input of energy from cell?
- A.
  
  Osmosis
- B.
  
  Diffusion
- C.
  
  Facilitated diffusion
- D.
  
  Active transport
3.

By what process does a sodium ion exit a cell through plasma membrane?
- A.
  
  Facilitated diffusion
- B.
  
  Osmosis
- C.
  
  Active transport
- D.
  
  Exocytosis
4.

Which of the following is NOT a characteristic of facilitated diffusion?
- A.
  
  It involves a change in the shape of its carrier.
- B.
  
  It moves substances against a concentration gradient.
- C.
  
  It requires no energy input.
- D.
  
  It requires a carrier protein.
5.

The sodium-potassium pump usually pumps
- A.
  
  Sodium into the cell.
- B.
  
  Potassium into the cell.
- C.
  
  Potassium out of the cell.
- D.
  
  Both A and C.
6.

Sugar molecules can enter cells through the process of
- A.
  
  Ion pumps.
- B.
  
  Facilitated diffusion.
- C.
  
  Osmosis.
- D.
  
  Exocytosis.
7.

Molecules that are too large to be moved through the membrane can be transported into the cell by
- A.
  
  Diffusion.
- B.
  
  Osmosis.
- C.
  
  Exocytosis.
- D.
  
  Lipid carriers.
8.

When a cell produces a protein to be used in a different part of the body, through which type of transport does it leave the cell?
- A.
  
  Osmosis
- B.
  
  Facilitated diffusion
- C.
  
  Endocytosis
- D.
  
  Exocytosis
9.

Diffusion takes place
- A.
  
  Only through a lipid bilayer membrane.
- B.
  
  From an area of low concentration to an area of high concentration.
- C.
  
  Only in liquids.
- D.
  
  From an area of high concentration to an area of low concentration.
10.

The diagram shows a cell membrane composed of a phospholipid bilayer with a channel protein. Each x represents the same type of molecule inside or outside the cell. Facilitated diffusion moves these molecules across the cell membrane.In what direction do these molecules move and through which structure?
- A.
  
  Into the cell through the channel protein
- B.
  
  Into the cell through the phospholipid
- C.
  
  Out of the cell through the channel protein
- D.
  
  Out of the cell through the phospholipid bilayer
11.

Refer to the illustration above. The process shown is called
- A.
  
  Osmosis.
- B.
  
  Facilitated diffusion.
- C.
  
  Active transport .
- D.
  
  Diffusion.
12.

The diffusion of water across a selectively permeable membrane is called
- A.
  
  Osmosis.
- B.
  
  Osmotic pressure.
- C.
  
  Facilitated diffusion.
- D.
  
  Active transport.
13.

As a result of diffusion, the concentration of many types of substances
- A.
  
  Always remains greater inside a membrane.
- B.
  
  Eventually becomes balanced on both sides of a membrane.
- C.
  
  Always remains greater on the outside of a membrane.
- D.
  
  Becomes imbalanced on both sides of a membrane.
14.

Solutions that are isotonic:
- A.
  
  Have equal concentrations of solute and water.
- B.
  
  Have equal concentrations of solute but not water.
- C.
  
  Have equal concentrations of water but not solute.
- D.
  
  Will exhibit a net movement of water from one solution to the other.
15.

Placing a plant into a hypertonic environment will
- A.
  
  Cause turgor pressure to increase.
- B.
  
  Cause the plant to take in water.
- C.
  
  Have no effect.
- D.
  
  Cause turgor pressure to decrease.
16.

An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
- A.
  
  Water to move into the cell.
- B.
  
  Water to move out of the cell.
- C.
  
  Solutes to move into the cell.
- D.
  
  Solutes to move out of the cell.
17.

The cytoplasm of red blood cells has a higher concentration of Na+ than does pure water. Suppose a biologist places a red blood cell in pure water. Is there a net flow of water molecules into or out of the red blood cell, and by which process does this net flow of water occur?
- A.
  
  Out of the cell; osmosis
- B.
  
  Into the cell; osmosis
- C.
  
  Out of the cell; active transport
- D.
  
  Into the cell; active transport