Top 150+ Solved Biomolecules-2 MCQ Questions Answer
Q. Which one is the correct group of amino acids with polar and negatively Charged –R group?
a. Glutamate, Tyrosine
b. Argentine, Lysine
c. Tryptophan, Proline
d. Glutamate, Aspartic acid
Q. Find out the one group of amino acids which are related with each other:
a. Valine, Histidine
b. Serine, Tyrosine
c. Glutamate, Proline
d. Lysine, Laucine
Q. Aspartic acid and lysine are linkage each other with which bond:
a. Ester bond
b. Glycoside bond
c. Phosphodiaster bond
d. Peptide bond
Q. Match column – I and column –II and select the correct option:Column – I column – II(P)Arginine (i) polar and negatively changed ‘R’ group(Q) Glassine (ii) non polar ‘R’ group(R) Methionine (iii) polar and positively changed ‘R’ group(S) Aspartic acid (iv) polar and ‘R’ groupP Q R S
a. iii iv ii i
b. ii I iv iii
c. I iv ii iii
d. iii ii iv i
Q. Amino acids are attached each other with which bond?
a. Ester bonds
b. Hydrogen bonds
c. Sulphur bonds
d. peptide bonds
Q. Dipeptide means:
a. Two similar amino acids attached by peptide bond
b. Two dissimilar amino acids attached by peptide bond
c. Two similar or dissimilar amino acids attached by peptide bond
d. Two similar or dissimilar proteins attached by peptide bond
Q. Which macromolecule is the most diverse in cell and controlling biochemical Properties?
a. Polynucleotide
b. Polysaccharide
c. Polypeptide
d. polysomes
Q. The primary structure of proteins is due to
a. Ionic bonds
b. Peptide bonds
c. Hydrogen bond
d. S-S Linkages
Q. The structure of protein can be denatured by
a. At high temperature
b. In dilute solution of acid
c. In the presence of CO2
d. a, b, c all
Q. Polypeptide means:
a. A polypeptide chain is formed by more than two nucleotides
b. A polypeptide chains is formed by more than two amino acids
c. A polypeptide chains is formed by many similar amino acids
d. A polypeptide chain is formed by many similar nucleotides
Q. Which bimolecular fights against infectious organisms?
a. Lipid
b. Nucleic acid
c. Protein
d. Enzyme
Q. Which one of the following is an amphoteric compound?
a. Fatty acid
b. Glutamic acid
c. Nucleic acid
d. Cellulose
Q. Which one of the following statement about amino acid is incorrect?
a. They are classified on the basis of the ‘R’ group
b. The structure of almost all amino acids are similar except their ‘R’ group
c. All protein molecules are a heteropolymer of amino acid
d. They are very important compounds of cytoplasm
Q. Which of the following process is formed by – COOH linked to – NH2 (peptide bond)
a. Hydrogenation
b. Dehydrogenation
c. Reduction
d. Oxidation