Mizoram University Previous Year Paper on Molecular Biology
| Sr. No. | Questions with options |
| 1 | During the course of DNA replication the proofreading function is carried out by which of the following enzymes?
(a) DNA polymerase (b) DNA ligase (c) Primase (d) RNA polymerase |
| 2 | Meselson and Stahl model of DNA replication was called
(a) Conservative replication (b) Semi conservative replication (c) Dispersive replication (d) None of the above |
| 3 | Sigma factor is
(a) A subunit of DNA polymerase (b) A subunit of RNA polymerase (c) A subunit of 50S ribosome (d) Responsible for initiation of replication |
| 4 | The most important termination signal to stop transcription is
(a) Rho factor (b) Sigma factor (c) Alpha factor (d) None of the above |
| 5 | Those genes whose products (proteins) are required all the time in a cell are known as
(a) Inducible genes (b) Housekeeping genes (c) Repressible genes (d) Inhibitor genes |
| 6 | The base that is never found in genetic code is
(a) Adenine (b) Guanine (c) Thymine (d) Cytosine |
| 7 | Which of the following acts as blueprint or template for the process of protein synthesis?
(a) rRNA (b) tRNA (c) mRNA (d) DNA |
| 8 | The prokaryotic mRNA is
(a) Monocistronic (b) Polycistronic (c) Tricistronic (d) None of the above |
| 9 | Vectors which have been designed to replicate in cells of two different species are known as
(a) Shuttle vector s (b) Cosmides (c) Bacteriophages (d) None of the above |
| 10 | The first pharmaceutical product of rDNA technology approved for human use is
(a) Insulin (b) GH (c) Interferon (d) Hepatitis B vaccine |
| Data Collected By – Rashmi | |
| Published On – 28th May 2022 | |
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