MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Genetic Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why the whole lacZ gene can t be present in the plasmid at one time? |
| A. | Because the whole lacZ gene can t be present anywhere |
| B. | The whole lac Z gene is very large in size and the plasmid size is small |
| C. | The whole lacZ gene is never functional |
| D. | Because the plasmid takes is having a restriction site only for taking up a portion of the lacZ gene |
| Answer» C. The whole lacZ gene is never functional | |
| 2. |
An operon is defined as __________ |
| A. | A related set of genes each having different promoters and are present differently |
| B. | A set of genes which are present together but are controlled by different promoters |
| C. | A set of genes which are present together and are controlled by the same promoter |
| D. | A set of genes which are not present together but controlled by the same promoter |
| Answer» D. A set of genes which are not present together but controlled by the same promoter | |
| 3. |
The phenomenon of alpha complementation is __________ |
| A. | + = |
| B. | = + |
| C. | = + |
| D. | It is either + = or = + |
| Answer» B. = + | |
| 4. |
Generation of recombinants by randomly cloning fragments of total DNA from an organism is called as __________ |
| A. | genomic library |
| B. | screening |
| C. | recombination |
| D. | shotgun cloning |
| Answer» E. | |
| 5. |
Often PCR can be performed in order to confirm whether an insert is present in the plasmid. Cells are taken directly and PCR is performed, this type of PCR is known as __________ |
| A. | direct PCR |
| B. | colony PCR |
| C. | quantitative PCR |
| D. | in-situ PCR |
| Answer» C. quantitative PCR | |
| 6. |
Which of the following is true regarding taking up of plasmid DNA in the bacterial cells? |
| A. | There are more chances of having two plasmids in a single cell |
| B. | There are more chances of having a single plasmid in one cell |
| C. | Uptake upto two plasmids is possible but not more than that |
| D. | Both are taken up with the same efficiency |
| Answer» C. Uptake upto two plasmids is possible but not more than that | |