Grade 12 AP Biology_Cell Transport (Passive Transport) Quiz

Which process involves the movement of water across a membrane?

• Facilitated diffusion

• Active transport

• Diffusion

• Osmosis

What is the primary characteristic of passive transport?

• It involves protein channels.

• It requires ATP.

• It moves substances against a concentration gradient.

• It does not require energy.

What type of solution is this cell in?

• Isotonic
• Hypertonic
• Hypotonic

Tags

NGSS.MS-LS1-2

The countercurrent exchange in fish maximizes the rate of facilitated diffusion.

• True

• False

What is facilitated diffusion?

• Movement through protein channels

• Movement of water only

• Movement against a concentration gradient

• Movement that requires ATP

What is the result of osmosis in a hypertonic solution for a plant cell?

• It remains unchanged.

• It becomes turgid.

• It bursts.

• It shrinks and undergoes plasmolysis.

The cell shows water moving in and out equally, which means it was placed in a ___ solution.

• Isotonic

• Hypertonic

• Hypotonic

What is the main function of aquaporins?

• To transport glucose

• To facilitate water diffusion

• To create energy

• To block solute movement

What is the concentration gradient?

• The difference in concentration of a substance between two areas.

• The movement of water molecules.

• The energy required for active transport.

Which type of diffusion does not require a protein channel?

• Facilitated diffusion

• Simple diffusion