Cell Transport: Interactive Quizzes for Biology Year 12

Question 1

Which of the following is **NOT** a characteristic of passive transport?

Accepted Answer

Involves the use of carrier proteins

Answer

Does not require energy

Answer

Moves substances down a concentration gradient

Answer

Occurs across a selectively permeable membrane

Question 2

What is the primary driving force for diffusion?

Accepted Answer

Concentration gradient

Answer

Electrical gradient

Answer

Pressure gradient

Answer

Temperature gradient

Question 3

What is the primary energy source for active transport?

Accepted Answer

ATP

Answer

Glucose

Answer

Sunlight

Answer

Oxygen

Question 4

Which of the following factors does NOT influence the rate of diffusion?

Accepted Answer

The density of the molecules

Answer

The concentration gradient

Answer

The temperature

Answer

The surface area available for diffusion

Question 5

Osmosis can be classified as a type of:

Accepted Answer

Passive transport

Answer

Active transport

Answer

Facilitated diffusion

Answer

Endocytosis

Question 6

Which of the following cellular processes exemplifies active transport?

Accepted Answer

Nutrient uptake

Answer

Waste elimination

Answer

Diffusion of gases

Answer

Osmotic movement of water

Question 7

The semi-permeable nature of the cell membrane:

Accepted Answer

Allows selective passage of substances

Answer

Blocks all substances from entering or exiting the cell

Answer

Determines the cell's shape

Answer

Facilitates cellular respiration

Question 8

Which form of transport describes the movement of molecules from an area of high concentration to an area of low concentration, without using energy?

Accepted Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Answer

Active transport

Question 9

In which type of transport do molecules cross a membrane with the aid of carrier proteins?

Accepted Answer

Facilitated diffusion

Answer

Diffusion

Answer

Osmosis

Answer

Active transport

Question 10

What is the net movement of water across a selectively permeable membrane called?

Accepted Answer

Osmosis

Answer

Diffusion

Answer

Facilitated diffusion

Answer

Active transport

Question 11

Which of the following does not affect the rate of diffusion?

Accepted Answer

Number of carrier proteins

Answer

Concentration gradient

Answer

Temperature

Answer

Surface area

Question 12

Which real-world scenario demonstrates osmosis?

Accepted Answer

Water absorption by plant roots

Answer

Gas exchange in the lungs

Answer

Nutrient transport in blood vessels

Answer

Ion movement across nerve cell membranes

Question 13

What is a potential consequence of inhibiting active transport in a cell?

Accepted Answer

Loss of cellular homeostasis

Answer

Reduced membrane permeability

Answer

Increased metabolic rate

Answer

Enhanced cell growth

Question 14

In which direction will water move across a semipermeable membrane separating a solution with a lower solute concentration from a solution with a higher solute concentration?

Accepted Answer

From lower to higher

Answer

From higher to lower

Answer

No net movement

Answer

Cannot be determined without knowing the specific concentrations

Question 15

Which of the following membrane proteins is responsible for facilitating the transport of glucose?

Accepted Answer

GLUT-4

Answer

Aquaporin

Answer

Sodium-potassium pump

Answer

Ion channel

Question 16

Which of the following is the primary function of the sodium-potassium pump?

Accepted Answer

To maintain the resting membrane potential

Answer

To transport glucose into cells

Answer

To export waste products from cells

Answer

To regulate cell volume

Question 17

Which of the following factors does NOT affect the rate of diffusion?

Accepted Answer

Membrane thickness

Answer

Concentration gradient

Answer

Temperature

Answer

Surface area

Question 18

Which of the following is an example of a hypotonic solution?

Accepted Answer

A solution with a lower concentration of solutes than the cell

Answer

A solution with a higher concentration of solutes than the cell

Answer

A solution with the same concentration of solutes as the cell

Answer

A solution with no solutes

Question 19

The primary function of the sodium-potassium pump is to:

Accepted Answer

Maintain a concentration gradient of sodium and potassium ions across the cell membrane

Answer

Generate an electrical gradient across the cell membrane

Answer

Pump glucose into the cell

Answer

Synthesize proteins

Question 20

The correct sequence of events during endocytosis is:

Accepted Answer

Membrane invagination → Vesicle formation → Vesicle-lysosome fusion

Answer

Vesicle formation → Membrane invagination → Vesicle-lysosome fusion

Answer

Vesicle-lysosome fusion → Membrane invagination → Vesicle formation

Question 21

Osmosis is NOT associated with:

Accepted Answer

Protein synthesis

Answer

Cell swelling

Answer

Cell shrinkage

Answer

Movement of water

Question 22

Hypertonic solutions, compared to the cell, have a:

Accepted Answer

Higher solute concentration

Answer

Lower solute concentration

Answer

Same solute concentration

Answer

Higher water concentration

Question 23

The cell membrane contributes to cellular homeostasis by:

Accepted Answer

Regulating the movement of substances across the membrane

Answer

Providing structural support to the cell

Answer

Storing genetic information

Answer

Synthesizing lipids

Question 24

Which of the following is NOT a type of passive transport?

Accepted Answer

Active transport

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 25

Which of the following substances can cross a cell membrane by facilitated diffusion?

Accepted Answer

Glucose

Answer

Sodium ions

Answer

Oxygen

Answer

Carbon dioxide

Question 26

Sodium-potassium pumps maintain the resting potential of a neuron by

Accepted Answer

Pumping three sodium ions out of the cell for every two potassium ions pumped in

Answer

Pumping two sodium ions into the cell for every three potassium ions pumped out

Answer

Maintaining a negative charge inside the cell

Answer

Maintaining a positive charge outside the cell

Question 27

The primary function of a cell membrane is to

Accepted Answer

Regulate the movement of substances into and out of the cell

Answer

Store genetic material

Answer

Synthesize proteins

Answer

Produce energy

Question 28

A solution with a higher concentration of solutes than the cell is considered

Accepted Answer

Hypertonic

Answer

Hypotonic

Answer

Isotonic

Answer

Hypoosmotic

Question 29

What is the main difference between diffusion and facilitated diffusion?

Accepted Answer

Facilitated diffusion requires carrier proteins while diffusion does not

Answer

Diffusion requires carrier proteins while facilitated diffusion does not

Answer

Diffusion moves substances against a concentration gradient while facilitated diffusion does not

Answer

Facilitated diffusion moves substances against a concentration gradient while diffusion does not

Question 30

Which process allows a cell to take in large molecules or particles?

Accepted Answer

Endocytosis

Answer

Diffusion

Answer

Exocytosis

Answer

Osmosis

Question 31

A red blood cell is immersed in a hypotonic solution. What is the expected change in cell volume?

Accepted Answer

Expansion (bursting)

Answer

Shrinkage

Answer

No change

Answer

Crenation

Question 32

Which of the following is NOT a characteristic of facilitated diffusion?

Accepted Answer

Moves substances down a concentration gradient

Answer

Requires a carrier protein

Answer

Is a passive process

Answer

Is specific for certain substances

Question 33

The primary function of active transport is to:

Accepted Answer

Move substances against their concentration gradient

Answer

Move substances down their concentration gradient

Answer

Transport large molecules across the membrane

Answer

Facilitate the movement of ions

Question 34

Given a cell with a membrane potential of -70 mV and permeable to sodium ions (Na+), which ion movement will occur?

Accepted Answer

Na+ influx

Answer

Na+ efflux

Answer

K+ influx

Answer

K+ efflux

Question 35

Which of the following is a function of the sodium-potassium pump?

Accepted Answer

Maintain the resting membrane potential

Answer

Transport glucose into the cell

Answer

Secrete neurotransmitters

Answer

Synthesize proteins

Question 36

In which situation is active transport essential?

Accepted Answer

Moving ions across a membrane against a concentration gradient

Answer

Moving water across a selectively permeable membrane

Answer

Moving glucose into a cell down a concentration gradient

Answer

Moving oxygen out of a cell

Question 37

Which of the following is NOT a mechanism of cell transport?

Accepted Answer

Phagocytosis

Answer

Active transport

Answer

Diffusion

Answer

Osmosis

Question 38

Diffusion is a type of passive transport that involves the movement of substances:

Accepted Answer

From an area of high concentration to an area of low concentration

Answer

From an area of low concentration to an area of high concentration

Answer

Against a concentration gradient

Question 39

Osmosis refers specifically to:

Accepted Answer

The movement of water across a selectively permeable membrane

Answer

The movement of ions across a selectively permeable membrane

Answer

The movement of all substances across a selectively permeable membrane

Question 40

Which of the following factors can affect the rate of diffusion?

Accepted Answer

Temperature, surface area, concentration gradient, size of the substance

Answer

Only the concentration gradient

Answer

Only the size of the substance

Answer

Only the distance traveled

Question 41

In hypertonic solutions, cells will:

Accepted Answer

Shrink

Answer

Undergo lysis

Answer

Remain the same size

Answer

Swell

Question 42

The movement of large molecules across a cell membrane can be facilitated by:

Accepted Answer

Endocytosis

Answer

Diffusion

Answer

Osmosis

Answer

Ion channels

Question 43

Which of the following accurately describes the process by which water molecules move across a selectively permeable membrane from an area of high water concentration to an area of low water concentration?

Accepted Answer

Osmosis

Answer

Diffusion

Answer

Facilitated diffusion

Answer

Active transport

Question 44

A substance is moved from an area of higher concentration to an area of lower concentration against its concentration gradient. Which type of transport process is occurring?

Accepted Answer

Active transport

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 45

Which of the following is a defining feature of facilitated diffusion?

Accepted Answer

Requires specific carrier proteins

Answer

Only transports small, non-polar molecules

Answer

Always requires energy input

Answer

Moves substances only down their concentration gradient

Question 46

If a plant cell is placed in a hypotonic solution, what is the expected change in its size and shape?

Accepted Answer

Swells

Answer

Shrinks

Answer

Stays the same

Answer

Bursts

Question 47

Which of the following is NOT a function of the cell membrane?

Accepted Answer

Stores genetic information

Answer

Controls the movement of substances

Answer

Communicates with other cells

Answer

Protects the cell

Question 48

Which type of membrane transport protein allows substances to pass through without the need for a carrier?

Accepted Answer

Channel protein

Answer

Carrier protein

Answer

Receptor protein

Answer

Pump protein

Question 49

The process of moving ions across a membrane against their concentration gradient requires:

Accepted Answer

Active transport

Answer

Facilitated diffusion

Answer

Osmosis

Answer

Diffusion

Question 50

When a red blood cell is placed in a hypertonic solution, what change in its size and shape is expected?

Accepted Answer

Shrinks

Answer

Stays the same

Answer

Swells

Answer

Bursts