Biochemistry Quiz 32 (20 MCQs)

Quiz Instructions

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1. Symbiotic Nitrogen Fixers create an anaerobic environment with the help of .....

Correct Answer: D) Leghemoglobin.

2. Which of the following sugars will not test positive in Molisch's test?

Correct Answer: A) Triose.

3. Which of these amino acids contains sulphur?

Correct Answer: D) Cysteine.

4. The maintenance of constant internal body conditions is referred to as which of the following terms?

Correct Answer: C) Homeostasis.

5. Which of the following molecule can be used as a substrate for gluconeogenesis?

Correct Answer: A) Glycerol.

6. The basic building blocks (monomers) of proteins are:

Correct Answer: D) Amino acids.

7. Capillary Action

Correct Answer: D) The property of water that allows water to move up a thin tube (or the stem of a plant) by itself.

8. Glucose stored in plants is commonly called .....

Correct Answer: A) Starch.

9. The type of polysaccharide which serves as a strengthening tissue in the cell wall of plants is

Correct Answer: A) Cellulose.

10. Fluoride inhibits which enzyme?

Correct Answer: B) Enolase.

11. Who helps clot the bleeds?

Correct Answer: D) Vitamin K.

12. Charged particles are called .....

Correct Answer: A) Ions.

13. It is needed for cellular and macrocellular syntheses?

Correct Answer: C) Vit. E.

14. What type of reaction is shown below?glucose + fructose < ..... sucrose + water

Correct Answer: C) Hydrolysis.

15. The shape of the peptide is

Correct Answer: D) All of the above.

16. Steroids are an example of which biomolecule?

Correct Answer: C) Lipids.

17. What are the monomer units of a lipid?

Correct Answer: A) Fatty acid.

18. What are the monomer units of a carbohydrate?

Correct Answer: B) Sugar.

19. It is an enzyme that catalyzes the removal of water from a compound.

Correct Answer: C) Anhydrase.

20. Particles in an atom that are neutral and have no charge are .....

Correct Answer: C) Neutrons.