Top 80+ Solved Molecular Basis of Inheritance MCQ Questions Answer
Q. Antiparallel strand in DNA is due to
a. Disulphide linkage
b. Hydorgen bond
c. Phosphodiester bond
d. Ionic bond
Q. Genetic information are transfered from nucleus to cytoplasm of cell through
a. DNA
b. RNA
c. Lysosomes
d. Anticodon
Q. The information from RNA to DNA are transfered by which process
a. Replication
b. Transcription
c. Translation
d. Reverse transcription
Q. DNA molecule has uniform diameter due to ?
a. Double stranded
b. Presence of phosphate
c. Specific base pairing between purine and pyrimidine
d. Specific base pairing between purine and purine
Q. In a transcription unit promotor is said to be located towards
a. 31 end of structural gene
b. 51 end of structural gene
c. 51 end of template strand
d. 31 end of template strand
Q. In DNA replication the primer is
a. A Small deoxyribonucleotide polymer
b. A small ribonucleotide polymer
c. Helix destalilizing protein
d. Enzyme taking part in joining nucleotides of new strands
Q. Non - sense codons take part in
a. formation of unspecified aminoacids
b. Terminating message of gene controlled protein synthesis
c. Releasing t-RNA from polynucleotide chain
d. Conversion of sense DNA in to non-sense one
Q. select the correct sequence of following in DNA replication
a. single stranded binding proteins - Helicase - Topoisomerase - DNA polymerase
b. Helicase - single stranded binding proteins -Topoisomerase - DNA polymerase
c. Helicase - DNA polymerase - Topoisomerase - Single stranded binding proteins
d. Helicase - Topoisomerase - DNA polymerase - Single stranded binding proteins
Q. Which of the following enzymes can detect and correct the wrong inserted base during DNA replication ?
a. DNA polymerase - I
b. DNA polymerase - II
c. Primase
d. Ligase
Q. Which one is a ribozyme ?
a. Helicase
b. Ribonuclease - P
c. Peptidyl transferase
d. Both (B) & (C)