Biological Membranes MCQs with Answers

adminApril 1, 2024

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Biological Membranes Online Quiz

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Test Name: Biological Membranes MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Biological Membranes

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1 / 40

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

Selective permeability

Signal transduction

Energy production

2 / 40

Which of the following is a function of membrane proteins?

Energy storage

Structural support

Cell communication

3 / 40

The fluid mosaic model describes the membrane as consisting of

Phospholipids and cholesterol

Proteins and carbohydrates

Proteins and lipids

4 / 40

Which of the following membrane proteins spans the entire lipid bilayer and is involved in transport?

Integral protein

Peripheral protein

Receptor protein

5 / 40

Which of the following molecules can directly diffuse through the lipid bilayer of the membrane?

Sodium ions

Oxygen

Glucose

6 / 40

The movement of water across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration is called

Active transport

Osmosis

Diffusion

7 / 40

Which of the following molecules can directly diffuse through the lipid bilayer of the membrane?

Glucose

Sodium ions

Oxygen

8 / 40

Which of the following is NOT a type of membrane lipid?

Phospholipid

Glucose

Cholesterol

9 / 40

The diffusion of water across a selectively permeable membrane is called

Facilitated diffusion

Osmosis

Active transport

10 / 40

Which of the following molecules is primarily responsible for the fluidity of the lipid bilayer?

Cholesterol

Proteins

Phospholipids

11 / 40

The sodium-potassium pump is an example of what type of transport?

Passive transport

Facilitated diffusion

Active transport

12 / 40

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

Signal transduction

Energy production

Selective permeability

13 / 40

The movement of substances across a membrane without the expenditure of energy is called

Facilitated diffusion

Active transport

Passive transport

14 / 40

Which of the following is a function of membrane proteins?

Transport

Energy production

DNA replication

15 / 40

Which of the following is a function of cholesterol in the cell membrane?

Modulating fluidity

Providing rigidity

Facilitating transport

16 / 40

The main structural component of biological membranes is

Carbohydrates

Proteins

Phospholipids

17 / 40

Which of the following is a function of cholesterol in the cell membrane?

Modulating fluidity

Facilitating transport

Providing rigidity

18 / 40

The movement of substances across a membrane without the expenditure of energy is called

Facilitated diffusion

Active transport

Passive transport

19 / 40

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

Energy production

Selective permeability

Signal transduction

20 / 40

The movement of molecules from an area of high concentration to an area of low concentration across a membrane is called

Diffusion

Osmosis

Active transport

21 / 40

Which of the following is a function of membrane proteins?

Energy storage

Structural support

Cell communication

22 / 40

Which of the following is a function of membrane proteins?

Cell recognition

Energy production

DNA replication

23 / 40

The process by which a cell engulfs large particles or even whole cells is called

Pinocytosis

Endocytosis

Exocytosis

24 / 40

The process by which a cell engulfs large particles or even whole cells is called

Endocytosis

Exocytosis

Pinocytosis

25 / 40

The movement of water across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration is called

Osmosis

Active transport

Diffusion

26 / 40

The sodium-potassium pump is an example of what type of transport?

Facilitated diffusion

Passive transport

Active transport

27 / 40

The fluid mosaic model describes the membrane as consisting of

Proteins and lipids

Proteins and carbohydrates

Phospholipids and cholesterol

28 / 40

Which of the following is NOT a type of membrane protein?

Integral

Peripheral

Nucleic acids

29 / 40

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

Cell signaling

Cell adhesion

Energy production

30 / 40

Which of the following is NOT a factor affecting the rate of diffusion?

Surface area

Molecular size

Temperature

31 / 40

Which of the following is NOT a function of biological membranes?

Selective permeability

Energy production

Signal transduction

32 / 40

Which of the following is NOT a function of biological membranes?

Energy production

Selective permeability

Signal transduction

33 / 40

Which of the following is NOT a factor affecting the rate of diffusion?

Surface area

Molecular size

Temperature

34 / 40

Which of the following is NOT a component of the plasma membrane?

Proteins

Lipids

Nucleus

35 / 40

The movement of substances against their concentration gradient with the use of energy is called

Facilitated diffusion

Osmosis

Active transport

36 / 40

The movement of molecules from an area of high concentration to an area of low concentration across a membrane is called

Osmosis

Diffusion

Active transport

37 / 40

Which of the following types of molecules can passively diffuse across a membrane?

Large polar molecules

Small nonpolar molecules

Ions

38 / 40

Which of the following is NOT a type of membrane protein?

Peripheral

Nucleic acids

Integral

39 / 40

The diffusion of water across a selectively permeable membrane is called

Facilitated diffusion

Osmosis

Active transport

40 / 40

Which of the following membrane proteins spans the entire lipid bilayer and is involved in transport?

Receptor protein

Integral protein

Peripheral protein

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adminApril 1, 2024

0 8 1 minute read