Amino Acids -Multiple Choice Questions Quiz

Interactive MCQs on “Amino Acids”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What are the building blocks of proteins in living organisms?

(a) Carbohydrates
(b) Lipids
(c) Nucleotides
(d) Amino acids

Question 2: How many essential amino acids are there that the human body cannot synthesize and must be obtained from the diet?

(a) 5
(b) 8
(c) 12
(d) 20

Question 3: Which type of bond forms between two amino acids during protein synthesis?

(a) Hydrogen bond
(b) Ionic bond
(c) Peptide bond
(d) Covalent bond

Question 4: Which of the following amino acids is known as the 'master antioxidant' due to its role in neutralizing free radicals in cells?

(a) Alanine
(b) Glutamine
(c) Glutathione
(d) Serine

Question 5: Which amino acid is responsible for the blue color of the eyes in humans?

(a) Tryptophan
(b) Tyrosine
(c) Cysteine
(d) Histidine

Question 6: Which amino acid is a precursor for the neurotransmitter serotonin, which regulates mood and sleep in the brain?

(a) Glycine
(b) Tryptophan
(c) Valine
(d) Leucine

Question 7: Which of the following amino acids is responsible for the sweetness of the artificial sweetener aspartame?

(a) Asparagine
(b) Alanine
(c) Phenylalanine
(d) Glutamine

Question 8: Which amino acid is abundant in collagen, the most abundant protein in the human body?

(a) Lysine
(b) Proline
(c) Glutamic acid
(d) Methionine

Question 9: Which amino acid is essential for the synthesis of creatine phosphate, a molecule that provides rapid energy to muscles during short bursts of activity?

(a) Arginine
(b) Histidine
(c) Glutamine
(d) Glycine

Question 10: Which amino acid is a precursor for the synthesis of the neurotransmitter gamma-aminobutyric acid (GABA), which functions as an inhibitory neurotransmitter in the brain?

(a) Glutamate
(b) Lysine
(c) Serine
(d) Threonine