Daily MCQs test - amino acids

Amino Acids Classification MCQs

1. Essential amino acids are:

a) Not required by the body
b) Required for protein synthesis
c) Not synthesized by the body, must be obtained from the diet
d) Synthesized by the body

2. Non-essential amino acids are:

a) Not required by the body
b) Required for protein synthesis
c) Synthesized by the body
d) Not synthesized by the body, must be obtained from the diet

3. How many essential amino acids are there?

a) 5
b) 9
c) 12
d) 20

4. Which of the following is an example of an essential amino acid?

a) Valine
b) Serine
c) Glycine
d) Asparagine

5. Which of the following is an example of a non-essential amino acid?

a) Leucine
b) Glutamine
c) Isoleucine
d) Phenylalanine

6. Essential amino acids must be obtained from:

a) The sun
b) Water
c) Fruits and vegetables
d) Diet

7. Non-essential amino acids can be synthesized by:

a) The body
b) Plants
c) Animals
d) Water

8. Which of the following is an essential amino acid for infants?

a) Histidine
b) Arginine
c) Proline
d) Methionine

9. Non-essential amino acids can be synthesized from:

a) Other amino acids
b) Fatty acids
c) Vitamins
d) Nitrogen and carbon sources

10. Amino acids are the building blocks of:

a) Carbohydrates
b) Lipids
c) Nucleic acids
d) Proteins