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WorksheetsSK025 Chapter 12: Amino Acid
Total questions: 10
Worksheet time: 4mins
Amino acid is a compound which has at least one
A. Amino group and one amide group
B. Amino group and one hydroxyl group
C. Amino group and one carboxyl group
D. Hydroxyl group and one carbonyl group
Which reagent cannot react with aminoethanoic acid, H2NCH2COOH ?
A. C6H5COCI (l)
B. Acidified KMnO4
C. HNO2 (aq)
D. C2H5OH (l)
Which of the following statements is TRUE about HOCH2COOH and H2NCH2COOH?
A. Both are insoluble in water.
B. Both can form zwitterion.
C. Both can be obtained from hydrolysis of protein.
D. Both can easily dissolve in sodium hydroxide solution.
Reagent that cannot react with H2NC(CH3)2COOH is
A. NaOH (aq)
B. Br2 (aq)
C. HNO2 (aq)
D. NaHCO3 (aq)
Which molecule is optically active?
A. 2-aminoethanoic acid
B. 2-aminopropanoic acid
C. 3-amino-3-methylbuthanoic acid
D. 2-amino-2-methylpropanoic acid
What is the monomer of Proteins?
Nucleotides
Amino Acid
Fatty Acids
Monosaccharides
If a methyl group (-CH3), which does not like water, were at the 'R', the amino acid would likely be:
Hydrophobic
Hydrophilic
Ionic
Acidic
When placed in oil hydrophilic amino acids are
attracted to hydrophobic molecules
attracted to each other
attracted to the outside of the protein
attracted to other hydrophobic side chains
Which bond is present between two amino acids?
Glycosidic Bond
Phosphodiester bond
Ester Bond
Peptide Bond
