Multiple Choice Quiz on Amino acids

This quiz is designed to assess your basic knowledge in ‘amino acids’. Questions come under ‘medium’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.

1. Which of the following is amino acid has indole ring in its side chain
Phenyl alanine
Tyrosine
Histidine
tryptophan
2. Amino acids with hydroxyl OH group include
serine
threonine
tyrosine
all of these
3. Which of the following amino acid has amide group in its side chain
Cysteine
lysine
glutamine
isoleucine
4. Aspartamine, an artificial sweetener is made of
Aspartate and glutamate
Asparagine and Glutamate
Aspartate and phenylalanine
Aspartate and glycine
5. Which of the following amino acids are considered as semi-essential amino acids
Asparagine and histidine
Tryptophan and arginine
Histidine and arginine
Histidine, arginine and tryptophan
6. D-amino acids occur naturally in small amounts in
Bacterial peptidoglycan cell wall
Fungal chitinous cell wall
Cellulosic plant cell wall
All of these
7. Which of the following is an imino acid
glycine
Proline
lysine
histidine
8. Tryptophan is the precursor of plant hormone
auxin
cytokinin
kinetin
gibberellin
9. Ornithine and citrulline for urea synthesis are derivatives of
cysteine
arginine
Histidine
methionine
10. Which of the following is considered as the 21st amino acid
hydroxylysine
Ornithine
citrulline
selenocysteine
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