Top 150+ Solved Biomolecules-2 MCQ Questions Answer
Q. Nucleic acids are related with which activity?
a. Digestion
b. Respiration
c. Reproduction
d. Heredity
Q. What ‘A’ and ‘B’ indicates in the given structure?
a. A= CH2, B= N
b. A= (>C=0), B= NH
c. A= NH, B= NH
d. A=NH2, B=NH
Q. Chemically DNA differs from RNA by:
a. Thymine and deoxyribose present in DNA and Uracil and ribose in RNA
b. Uracil and deoxyribose in DNA and thymine and ribose in RNA
c. Deoxyribose in DNA and ribose in RNA
d. Two nucleotide in DNA and one nucleotide in RNA
Q. Nucleic acids are polymers of which molecules?
a. Nucleosides
b. Nucleotides
c. Polypeptides
d. polysomes
Q. A molecule of ATP is structurally most similar to a molecule of?
a. RNA
b. Protein
c. Lipid
d. Amino acid
Q. Select the specific base pairs of DNA:
a. Adenine and Cytosine
b. Guanine and Adenine
c. Adenine and Thymine
d. Guanine and Uracil
Q. The DNA stands are antiparallel because of:
a. Ester bond
b. Phosphodiester bond
c. Disulphide bond
d. Hydrogen bond
Q. Which one of the following bases is found only in RNA and not in DNA?
a. Guanine
b. Adenine
c. Uracil
d. Thymine
Q. The scientists who discovered the structure of DNA molecule
a. Miller and mandal
b. Khorana and Nirenberg
c. Calvin and Wilkinson
d. Waston and Crick
Q. Mention the example of dinuclotide in the given structure.
a. RNA with UA
b. RNA with CG
c. DNA with TA
d. DNA with CG
Q. The structure of DNA like a spiral ladder because
a. Purine and Pyrimidine are on the opposite side
b. Purine and Pyrimidine linked with hydrogen bond
c. All nucleotides join through a phosphodiester bond
d. Two polynucleotide chains arranged parallel to each other and are spirally Twisted