MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which plasmid of Agrobacterium tumifaciens leads to tumor formation in dicots? |
| A. | F plasmid |
| B. | Ti |
| C. | pUC |
| D. | pBR |
| Answer» C. pUC | |
| 2. |
Which organism can transfer T-DNA within plants? |
| A. | <em>Agrobacterium tumifaciens</em> |
| B. | <em> E.coli</em> |
| C. | <em>Aspergillus niger</em> |
| D. | <em>S. typhi</em> |
| Answer» B. <em> E.coli</em> | |
| 3. |
What may complicate the process of gene cloning within the cell? |
| A. | One recognition site |
| B. | Foreign DNA |
| C. | More than one recognition site |
| D. | Antibody |
| Answer» D. Antibody | |
| 4. |
Insertion of recombinant DNA within the gene encoding for galactosidase leads to ________ |
| A. | amplification |
| B. | transformation |
| C. | insertional inactivation |
| D. | cloning |
| Answer» D. cloning | |
| 5. |
________ is an example of antibiotic. |
| A. | Virus |
| B. | Restriction endonuclease |
| C. | RNA |
| D. | Kanamycin |
| Answer» E. | |
| 6. |
The process by which a foreign DNA is introduced into bacteria is called ______ |
| A. | amplification |
| B. | transformation |
| C. | infection |
| D. | digestion |
| Answer» C. infection | |
| 7. |
Selectable markers are the genes which code for resistance to _______ |
| A. | disease |
| B. | phages |
| C. | antibiotics |
| D. | foreign entity |
| Answer» D. foreign entity | |
| 8. |
What helps in identifying the successful transformants? |
| A. | Ori |
| B. | Viruses |
| C. | Selectable markers |
| D. | Enzymes |
| Answer» D. Enzymes | |
| 9. |
Viruses which infect bacteria are called ______ |
| A. | bacteria |
| B. | archaea |
| C. | pUC |
| D. | bacteriophages |
| Answer» E. | |
| 10. |
The sequence of DNA from where replication starts is called _______ |
| A. | selectable marker |
| B. | origin of replication |
| C. | ter sequence |
| D. | genetic sequence |
| Answer» C. ter sequence | |
| 11. |
Plasmids and ________ have the ability to replicate within bacterial cells independent of the control of chromosomal DNA. |
| A. | bacteriophages |
| B. | fragments |
| C. | bacteria |
| D. | clones |
| Answer» B. fragments | |