MCQ on Proteins

MCQ on Proteins can help students evaluate their knowledge of protein structure and function. Answers are also given for MCQ on proteins to help you remember. Try our MCQ on Proteins to see if you can get all the answers right for the questions below.

MCQ on Proteins

Proteins are large, complex molecules that play numerous important roles in the body. Proteins are composed of hundreds or thousands of smaller units known as amino acids that are linked together in long chains. A protein is made up of 20 different types of amino acids that can be combined.

MCQ on Proteins

1. Which of the following factors is not responsible for protein denaturation?

a. Heat

b. Charge

c. pH change

d. Organic solvents

2. Which of the following is in charge of determining a protein’s 3D shape?

a. The peptide bond

b. The amino acid sequence

c. Interaction with other polypeptides

d. Interaction with molecular chaperons

3. ________is not a recognised type of conjugated protein.

a. Lipoproteins

b. Glycoproteins

c. Metalloproteins

d. Complete proteins

4. What is the average molecular weight of a protein’s amino acid residue?

a. 120

b. 110

c. 130

d. 140

5. Frederick Sanger was the first to sequence which of the following proteins?

a. Myosin

b. Insulin

c. Myoglobin

d. Haemoglobin

6. Which of the following statements about proteins is correct?

a. Proteins are made up of amino acids.

b. Proteins are essential for the development of skin, teeth and bones.

c. Protein is the only nutrient that can build, repair and maintain body tissues.

d. All of the above

7. A protein is made up of how many amino acids?

a. 10

b. 20

c. 30

d. 50

8. What is the name of an amino acid bond?

a. Ionic bond

b. Acidic bond

c. Peptide bond

d. Hydrogen bond

9. Which of the following statements about proteins is correct?

a. Proteins are polymers of glucose

b. Proteins are polymers of amino acids

c. Proteins are polymers of peptide bonds

d. Proteins are polymers of disulfide bridges

10. Which of the following food items is high in protein?

a. Tofu and eggs

b. Grains and legumes

c. Milk and milk products

d. All of the above

11. Which of the following statements about complete proteins is correct?

a. High-protein foods that stabilize body weight

b. Food that has a balanced amount of fat and protein

c. Foods that provide all the amino acids that the body needs

d. All of the above

12. Which of this method is used to determine the structure of proteins?

a. X-ray crystallography

b. Kryptonics X-ray vision

c. Magnetic resonance imaging (MRI)

d. None of the above

13. Which of the following disorders is caused by a protein deficiency?

a. Weight loss

b. Muscle fatigue

c. Loss in muscle strength

d. All of the above

14. Which of the following cell organelles is involved in the protein synthesis?

a. Vesicles

b. Ribosomes

c. Synchrotrons

d. Mitochondria

15. Which of the following is not the function of proteins?

a. Helps in digesting food

b. Carries genetic information

c. Fights against the invading pathogens

d. Helps in transporting oxygen in the blood

Answer Key

MCQ on Proteins

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