Amino Acid Quiz

Amino Acid Questions:

Ques. The enzyme erypsin helps the breakdown of peptones into amino acids in the
(a) Stomach
(b) Ileum
(c) Large intestine
(d) Pancreas
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Ques. Which of the following is not an amino acid?
(a) Glycine
(b) Alanine
(c) Histidine
(d) Benzidine
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Ques. Sulphur containing amino acids are
(a) Tryptophan
(b) Valine, Lysine, Cystine
(c) Cysteine, Methionine, Cystine
(d) Glutamic acid and Aspartic acid
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Ques. Among the following, the achiral amino acid is :
(a) 2­–Ethylalanine
(b) 2–Methylglycine
(c) 2–Hydroxymethyl serine
(d) Tryptophan
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Ques. Which one of the following is an amino acid?
(a) CH₃CONH₂
(b) CH₃CONHCH₃
(c) CH₃NHCHO
(d) NH₂CH₂.COOH
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Ques. Deamination occurs in liver to
(a) Get rid of urea from blood
(b) Synthesise amino acids
(c) Make use of excess amino acid
(d) Convert proteins to urea and uric acid
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Ques. Simplest amino acid is
(a) Glycine
(b) Alamine
(c) Aspartic acid
(d) Leucine
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Ques. Amino acids produced by digestion of proteins are absorbed from intestine through
(a) Lacteals
(b) Rectum
(c) Blood capillaries in the villi
(d) Lacteals and blood capillaries in villi
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Ques. Which one of the following statements is true for protein synthesis?
(a) Amino acid are directly recognized by m-RNA
(b) The third base of the codon is less specific
(c) Only one codon codes for an amino acid
(d) Every t-RNA molecule has more than one amino acid attachment site.
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Ques. The functional group which is found in amino acid is
(a) –COOH group
(b) –NH₂ group
(c) –CH₃ group
(d) Both (a) and (b)
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Ques. The function of erepsin in the process of digestion is to convert
(a) Fats into amino acids
(b) Proteins in amino acids
(c) Polysaccharides into disaccharides
(d) Disaccharides into monosaccharides
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Ques. An example of a sulphur containing amino acid is
(a) Lysine
(b) Serine
(c) Cysteine
(d) Tyrosine
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Ques. As there are only 20 amino acids, only this system of coding can be effective for the innumerable proteins present inside the body
(a) Double codon system
(b) Triplet codon system
(c) Both single and double codon system
(d) Singlet codon system
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Ques. Amino acids are produced on hydrolysis of
(a) Nucleic acid
(b) Carbohydrates
(c) Fats
(d) Proteins
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Ques. In human body excess of amino acids are stored in
(a) Liver
(b) Kidney
(c) Spleen
(d) None of these
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Ques. What is the common between amino acids, fatty acids and glycerol?
(a) These are all rich source of calories
(b) These are the builders of protoplasm
(c) These are the end products of digestion of two categories of food constituents
(d) These can be stored in the form of fat
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Ques. Leucine amino acids is the
(a) Essential
(b) Non-essential
(c) Aromatic
(d) Basic
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Ques. Amino acids not synthesized in the body are called
(a) Non-essential
(b) Active
(c) Essential
(d) Inactive
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Ques. The number of essential amino acids in man is
(a) 8
(b) 10
(c) 18
(d) 20
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Ques. A non-essential  amino acid is
(a) Lysine
(b) Methionine
(c) Alanine
(d) Isoleucine
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Ques. The optically inactive amino acid is
(a) Lysine
(b) Glycine
(c) Arginine
(d) Alanine
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Ques. Which of the following is not an amino acid :
(a) Glycine
(b) Alanine
(c) Histidine
(d) Benzidine
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Ques. Most simple amino acid is
(a) Lysine
(b) Glysine
(c) Aspartic acid
(d) Nucleic acid
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Ques. Amino acids are
(a) Liquids
(b) Volatile solids
(c) Non-volatile crystalline compounds
(d) Mixture of amines and acids
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Ques. Amino acids are the building blocks of :
(a) Carbohydrates
(b) Vitamins
(c) Fats
(d) Proteins
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Ques. Among the following, the achiral amino acid is
(a) 2-Ethylalanine
(b) 2-Methylglycine
(c) 2-Hydroxymethyl serine
(d) Tryptophan
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Ques. Which of the following is not essential amino acid
(a) Valine
(b) Lysine
(c) Histidine
(d) Glycine
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Ques. Amino acids are produced on hydrolysis of :
(a) Nucleic acid
(b) Carbohydrates
(c) Fats
(d) Proteins
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Ques. Which amino acid has aromatic ring :
(a) Alamine
(b) Glycine
(c) Tyrosine
(d) Lysine
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Ques. The functional group, which is found in amino acid is :
(a) –COOH group
(b) –NH2 group
(c) –CH3, group
(d) Both (a) and (b)
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Ques. The pH value of the solution in which a particular amino acid does not migrate under the influence of an electric field in called the
(a) Eutectic point
(b) Yielding point
(c) Neutralisation point
(d) Isoelectric point
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