Cell Transport Quizzes: Master Membrane Movement in Biology

Question 1

Which of the following is the correct definition of passive transport?

Accepted Answer

The movement of molecules across a membrane without the use of energy

Answer

The movement of molecules across a membrane against a concentration gradient

Answer

The movement of molecules across a membrane with the help of carrier proteins

Answer

The movement of molecules across a membrane through pores

Question 2

Which of the following processes requires the use of ATP?

Accepted Answer

Active transport

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 3

Which of the following statements about the cell membrane is correct?

Accepted Answer

It is selectively permeable, allowing some substances to pass through while blocking others.

Answer

It is completely impermeable, preventing the passage of any substances.

Answer

It is completely permeable, allowing the passage of all substances.

Answer

It is only permeable to ions.

Question 4

Which of the following is the purpose of carrier proteins in facilitated diffusion?

Accepted Answer

To allow the passage of specific molecules across the membrane

Answer

To increase the speed of diffusion

Answer

To move molecules against a concentration gradient

Answer

To prevent the passage of certain molecules across the membrane

Question 5

Which of the following is **not** a type of passive transport across the cell membrane?

Accepted Answer

Active transport

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 6

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

Accepted Answer

Exocytosis

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 7

Which of the following is the main mechanism for transporting large molecules into cells?

Accepted Answer

Endocytosis

Answer

Diffusion

Answer

Facilitated diffusion

Answer

Exocytosis

Question 8

Which of the following requires energy to occur?

Accepted Answer

Endocytosis

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 9

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

Accepted Answer

Energy production

Answer

Transport of materials

Answer

Cell recognition

Answer

Protection

Question 10

Which of the following is the primary protein responsible for facilitating the transport of glucose across the cell membrane?

Accepted Answer

Glucose transporter

Answer

Sodium-potassium pump

Answer

Carrier protein

Answer

Channel protein

Question 11

Which of the following is a form of endocytosis where the cell membrane engulfs a large particle?

Accepted Answer

Phagocytosis

Answer

Pinocytosis

Answer

Receptor-mediated endocytosis

Answer

Exocytosis

Question 12

Classify active transport as either a passive or active transport process.

Accepted Answer

Active transport

Answer

Passive transport

Question 13

In osmosis, the direction of water movement is determined by the:

Accepted Answer

Solute concentration gradient

Answer

Pressure gradient

Answer

Temperature gradient

Answer

Electrical gradient

Question 14

Which specific transport protein facilitates the movement of glucose into cells?

Accepted Answer

Carrier protein

Answer

Sodium-potassium pump

Answer

Channel protein

Answer

Aquaporin

Question 15

Which type of exocytosis is associated with the release of hormones?

Accepted Answer

Regulated exocytosis

Answer

Constitutive exocytosis

Answer

Bulk exocytosis

Answer

Cytosis

Question 16

Explain the key difference between facilitated diffusion and passive diffusion.

Accepted Answer

Facilitated diffusion is mediated by transport proteins, while passive diffusion is not.

Answer

Facilitated diffusion requires energy, while passive diffusion does not.

Answer

Facilitated diffusion moves substances against a concentration gradient, while passive diffusion does not.

Answer

Facilitated diffusion is always selective, while passive diffusion is not.

Question 17

Define the movement of substances from a higher concentration to a lower concentration.

Accepted Answer

Diffusion

Answer

Active transport

Answer

Osmosis

Answer

Facilitated diffusion

Question 18

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

Accepted Answer

Endocytosis

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 19

When the concentration of solutes is **higher** inside a cell than outside, the cell is said to be:

Accepted Answer

Hypertonic

Answer

Isotonic

Answer

Hypotonic

Answer

Hyperosmotic

Question 20

Which of the following is **NOT** a function of exocytosis?

Accepted Answer

Uptake of nutrients

Answer

Release of hormones

Answer

Removal of waste products

Answer

Secretion of proteins

Question 21

Which of the following is a type of **active** transport?

Accepted Answer

Sodium-potassium pump

Answer

Glucose transporter

Answer

Aquaporin

Answer

Ion channel

Question 22

Endocytosis involves:

Accepted Answer

The engulfing of material into the cell

Answer

The expulsion of material from the cell

Answer

The movement of material across the cell membrane without a carrier protein

Answer

The transport of large molecules through channels in the cell membrane

Question 23

Which of the following is an example of exocytosis?

Accepted Answer

Release of hormones

Answer

Absorption of nutrients

Answer

Uptake of oxygen

Answer

Removal of waste products

Question 24

Which cell membrane component regulates the movement of substances across the membrane?

Accepted Answer

Integral proteins

Answer

Glycoproteins

Answer

Phospholipids

Answer

Cholesterol

Question 25

Osmotic pressure is:

Accepted Answer

The pressure required to stop water movement across a semipermeable membrane

Answer

The force exerted by water molecules on a semipermeable membrane

Answer

The difference in water concentration between two solutions

Answer

The pressure exerted by solutes on a semipermeable membrane

Question 26

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

Accepted Answer

Generating energy

Answer

Maintaining cell homeostasis

Answer

Acquiring nutrients

Answer

Removing waste products

Question 27

The cell membrane is selectively permeable because it:

Accepted Answer

Allows only certain molecules to pass through

Answer

Allows all molecules to pass through freely

Answer

Prevents all molecules from entering or leaving the cell

Answer

Is impermeable to all molecules

Question 28

Which cell transport process relies on energy from ATP to facilitate movement across cell membranes?

Accepted Answer

Active Transport

Answer

Diffusion

Answer

Osmosis

Question 29

How does an increase in cell membrane thickness impact the rate of diffusion?

Accepted Answer

Decreases the diffusion rate

Answer

Increases the diffusion rate

Answer

No effect on the diffusion rate

Question 30

In diffusion, substances move from an area of higher concentration to an area of lower concentration. Why is energy not required for this process?

Accepted Answer

Molecules naturally move down their concentration gradient.

Answer

The cell actively pumps molecules against their concentration gradient.

Answer

A carrier protein facilitates the movement of molecules.

Answer

The cell membrane creates a selectively permeable barrier.

Question 31

When a red blood cell is placed in a hypotonic solution, what is the expected observation?

Accepted Answer

Cell swells and bursts

Answer

Cell shrinks

Answer

No change in cell volume

Answer

Cell remains the same shape but becomes more rigid

Question 32

Which of the following is a characteristic of facilitated diffusion?

Accepted Answer

Relies on carrier proteins

Answer

Requires energy

Answer

Involves the movement of molecules against their concentration gradient

Answer

Is a passive transport process

Question 33

Active transport plays a crucial role in maintaining cellular homeostasis. Which of the following is NOT a function of active transport?

Accepted Answer

Providing energy for facilitated diffusion

Answer

Transporting molecules against a concentration gradient

Answer

Regulating the movement of ions across cell membranes

Answer

Pumping water out of cells

Question 34

The cell membrane is a selectively permeable barrier. What does this mean?

Accepted Answer

Only certain substances can cross the membrane, depending on their size, charge, and solubility.

Answer

It allows all substances to pass through it freely.

Answer

It prevents all substances from entering or leaving the cell.

Answer

It is completely impermeable to all substances.

Question 35

Which of the following techniques is used to separate macromolecules based on their size?

Accepted Answer

Gel electrophoresis

Answer

Chromatography

Answer

Centrifugation

Answer

Spectrophotometry

Question 36

Cystic fibrosis is a genetic disorder that affects the transport of ions across cell membranes. What is the primary defect in cystic fibrosis?

Accepted Answer

Mutations in the gene encoding for the sodium-potassium pump

Answer

Defects in the cell membrane's phospholipid bilayer

Answer

Impaired function of carrier proteins involved in facilitated diffusion

Answer

Dysregulation of active transport mechanisms

Question 37

Osmosis is a specific type of diffusion involving the movement of:

Accepted Answer

Water molecules

Answer

Ions

Answer

Glucose molecules

Answer

Oxygen molecules

Question 38

Which of the following is NOT a potential consequence of osmosis in cells?

Accepted Answer

Active uptake of water

Answer

Cell swelling

Answer

Cell shrinkage

Answer

Changes in cell shape

Question 39

Facilitated diffusion differs from simple diffusion primarily in that it:

Accepted Answer

Requires the presence of carrier proteins in the cell membrane.

Answer

Allows for the movement of particles against a concentration gradient.

Answer

Is solely driven by the kinetic energy of the particles.

Answer

Involves the transport of water molecules.

Question 40

Glucose molecules, essential for cellular metabolism, are typically transported across the cell membrane by:

Accepted Answer

Facilitated diffusion

Answer

Sodium-potassium pump

Answer

Passive diffusion

Answer

Osmosis

Question 41

The sodium-potassium pump is an example of:

Accepted Answer

Active transport

Answer

Passive transport

Answer

Facilitated diffusion

Answer

Osmosis

Question 42

Which function is NOT carried out by the sodium-potassium pump?

Accepted Answer

Transporting glucose molecules into cells

Answer

Maintaining the resting membrane potential

Answer

Contributing to the regulation of cell volume

Answer

Facilitating the transmission of nerve impulses

Question 43

Cell transport mechanisms are crucial for maintaining:

Accepted Answer

Cellular homeostasis

Answer

Cell growth and division

Answer

Genetic stability

Answer

Cell signaling

Question 44

Which substance readily crosses a cell membrane without the need for a transport protein?

Accepted Answer

Sodium ions

Answer

Glucose

Answer

Amino acids

Answer

Proteins

Question 45

Water movement from an area of high solute concentration to low solute concentration is known as:

Accepted Answer

Osmosis

Answer

Diffusion

Answer

Facilitated diffusion

Answer

Active transport

Question 46

Facilitated diffusion differs from simple diffusion because it:

Accepted Answer

Requires specific transport proteins

Answer

Can move substances against a concentration gradient

Answer

Is a passive process

Answer

Involves the movement of ions

Question 47

Which molecule is transported by facilitated diffusion across the cell membrane?

Accepted Answer

Glucose

Answer

Sodium ions

Answer

Water

Answer

Proteins

Question 48

The sodium-potassium pump is an example of:

Accepted Answer

Counter-transport

Answer

Uniport

Answer

Co-transport

Answer

Passive transport

Question 49

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

Accepted Answer

Synthesizing proteins

Answer

Maintaining cellular homeostasis

Answer

Regulating cell growth and differentiation

Answer

Communicating with other cells

Question 50

Diffusion is characterized by the movement of molecules:

Accepted Answer

From a high concentration area to a low concentration area

Answer

From a low concentration area to a high concentration area

Answer

Across a selectively permeable membrane

Answer

Against a concentration gradient

Question 51

Which of these is an example of passive transport?

Accepted Answer

Diffusion

Answer

Endocytosis

Answer

Active transport

Answer

Exocytosis

Question 52

Aquaporins play a crucial role in cell transport by:

Accepted Answer

Facilitating the movement of water across cell membranes

Answer

Transporting ions across cell membranes

Answer

Pumping molecules against a concentration gradient

Answer

Regulating the movement of large molecules

Question 53

Which of these substances is unable to penetrate a lipid bilayer?

Accepted Answer

Glucose

Answer

Oxygen

Answer

Potassium ions

Answer

Carbon dioxide

Question 54

Which factor influences the rate of osmosis?

Accepted Answer

Concentration of the solutions

Answer

Temperature

Answer

Surface area of the membrane

Answer

Thickness of the membrane

Question 55

Hypertonic solutions differ from hypotonic solutions in that they:

Accepted Answer

Have a higher solute concentration than the cell

Answer

Have a lower solute concentration than the cell

Answer

Have the same solute concentration as the cell

Answer

There is no difference between hypertonic and hypotonic solutions

Question 56

In which direction does water move across a semipermeable membrane when the solute concentration is higher on one side?

Accepted Answer

From the side with lower solute concentration to the side with higher solute concentration

Answer

From the side with higher solute concentration to the side with lower solute concentration

Answer

Water will not move across the membrane

Answer

The direction of water movement is unpredictable

Question 57

Which molecule is transported by facilitated diffusion?

Accepted Answer

Glucose

Answer

Sodium

Answer

Chloride

Answer

Oxygen

Question 58

Which of the following is the major role of the cell membrane?

Accepted Answer

To regulate the flow of materials into and out of the cell

Answer

To store genetic information

Answer

To produce proteins

Answer

To break down waste products

Question 59

How does the surface area of cells affect the rate of diffusion?

Accepted Answer

The larger the surface area, the faster the rate of diffusion

Answer

The smaller the surface area, the faster the rate of diffusion

Answer

The surface area of cells does not affect the rate of diffusion

Answer

The rate of diffusion is unrelated to the cell's size

Question 60

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

Accepted Answer

Active transport

Answer

Diffusion

Answer

Osmosis

Answer

Facilitated diffusion

Question 61

Which of the following processes describes the movement of water molecules across a selectively permeable membrane?

Accepted Answer

Osmosis

Answer

Diffusion

Answer

Facilitated diffusion

Answer

Active transport

Question 62

Which of the following substances is capable of crossing a phospholipid bilayer via diffusion?

Accepted Answer

Water

Answer

Glucose

Answer

Proteins

Answer

Sodium ions

Question 63

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

Accepted Answer

pH

Answer

Concentration gradient

Answer

Temperature

Answer

Membrane thickness

Question 64

Which of the following is a carrier protein responsible for the facilitated transport of glucose into cells?

Accepted Answer

GLUT4

Answer

Sodium-potassium pump

Answer

Ion channel

Answer

Aquaporin