Biochemistry Quiz 43 (20 MCQs)

Quiz Instructions

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1. Which of the following in not a hydrate of carbon?

Correct Answer: C) Deoxy ribose.

2. Which is NOT a job of a lipid?

Correct Answer: D) Short term energy.

3. Adenosine triphosphate; gives energy to cells

Correct Answer: A) ATP.

4. Types of disaccharides include following except for?

Correct Answer: B) Glucose.

5. Which biomolecule stores genetic information?

Correct Answer: C) Nucleic Acid.

6. Which of the following is a disaccharide?

Correct Answer: A) Sucrose.

7. Molecular formula of deoxyribose

Correct Answer: C) C5H10O4.

8. Because enzymes speed up chemical reactions, they are called

Correct Answer: A) Catalysts.

9. The hydrolysis of ATP is a example of

Correct Answer: A) Exergonic reaction.

10. What colour forms the aromatic rings of phenylalanine, tyrosine and tryptophan under the effect of nitric acid? What's the name of this process?

Correct Answer: B) Yellow, xanthoproteic reaction.

11. All matter contains -

Correct Answer: C) Mass.

12. Amino acids all have the same general morphology except for the:

Correct Answer: C) 'R' Group.

13. Which of the following elements are NOT considered a main component of living things?

Correct Answer: B) Helium.

14. Which of these makes cellulose nondigestible in humans?

Correct Answer: B) A fibrous protein.

15. Your body's first energy source.

Correct Answer: A) Carbohydrates.

16. The most abundant polysaccharide on Earth is .....

Correct Answer: C) Cellulose.

17. When water is added to split a molecule, the reaction is known as a(n) ..... reaction.

Correct Answer: C) Hydrolysis.

18. These are filament like structures made up of proteins present in cytoplasm

Correct Answer: C) Cytoskeleton.

19. Which is the strongest non covalent bond?

Correct Answer: C) Ionic interaction.

20. Why does the shape of an enzyme determine its function?

Correct Answer: A) Enzymes are specific to substrates (lock and key).