Top 80+ Solved Molecular Basis of Inheritance MCQ Questions Answer
Q. Name the conjugated protein used as genetic material in living cells
a. Glyco protein
b. Nucleo protein
c. Metallo protein
d. Lip oprotein
Q. Who supported Griffith effect by molecular explanation ?
a. Hershay and chase
b. Watson, crick Ninenberg
c. Avery , Mc Carty and Macleod
d. Griffith and Avery
Q. Synthesis of nucleic acids always takes place in
a. 31 - 51 dicectioon
b. 51 - 31 direction
c. Both ways
d. in any direction
Q. What is called Griffith effect ?
a. DNA transcription
b. RNA translation
c. Bacterial transformation
d. Bacterial transduction
Q. Genetic information is carried by the long chain molecules which are made up of
a. Amino acids
b. Nucleotides
c. Chromosomes
d. Enzymes
Q. By which bonds the purine & pyrimidine pairs of Complementary Strands of DNA held together?
a. H - bonds
b. O - bonds
c. C - bonds
d. N - bonds
Q. State the nature of the 2 Strands of DNA duplex.
a. identical & Complementary
b. Anti parallel & complementary
c. Disimilar & non - complementary
d. Anti parallel & Non - complementary
Q. A Codon is made up of
a. Single nucleotide
b. two nucleotides
c. three nucleotides
d. Four nucleotides
Q. DNA replication requires
a. DNA polymerase only
b. DNA polymerase and ligase
c. Ligase only
d. RNA polymerase
Q. The enzyme involved in transcription is
a. RNA polymerase
b. DNA polymerase I
c. DNA polymerase II
d. DNA polymerase III
Q. Enzymes needed for formation of repliction fork
a. RNA polymerase and DNA polymerase I
b. Helicase and gyrase
c. Hexokinase and aldolase
d. Ligase and endo nuclease
Q. Okazaki fragments are Synthesized on
a. Leading strands of DNA only
b. Lagging Strands of DNA only
c. Leading and LaggingStrands
d. Complementary DNA Strand
Q. Which of the following is used in DNA multiplication?
a. RNA polymerase
b. DNA endonuclease
c. DNA exonuclease
d. DNA Polymerase