MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will happen when the radioactive protein capsule of the virus is attached onto the bacteria? |
| A. | Radioactivity is detected in the supernatant |
| B. | Radioactivity is absent in the supernatant |
| C. | Radioactive DNA is injected into the bacterium |
| D. | Attachment of the virus to the bacterium doesn t occur |
| Answer» B. Radioactivity is absent in the supernatant | |
| 2. |
Which of the following can be observed alongside with radioactive bacterium as a result of centrifugation? |
| A. | Bacterium starts to produce RNA |
| B. | Radioactivity can be detected in the supernatant |
| C. | Bacterium starts to move slow |
| D. | Radioactivity cannot be detected in the supernatant |
| Answer» E. | |
| 3. |
Which of the following is not a stage in the Hershey-Chase experiment ? |
| A. | Blending |
| B. | Centrifugation |
| C. | Infection |
| D. | Conjugation |
| Answer» E. | |
| 4. |
The virus infected bacterium which contains radioactive proteins are not radioactive. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
When the viruses are cultivated in the medium containing radioactive Sulphur, then these viruses possess radioactive DNA but not radioactive protein. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
On which medium were the viruses cultivated by Alfred Hershey and Martha Chase? |
| A. | A medium containing radioactive potassium (K) |
| B. | A medium containing radioactive Uranium (U) |
| C. | A medium containing radioactive phosphorous (P) |
| D. | A medium containing potassium (K) |
| Answer» D. A medium containing potassium (K) | |
| 7. |
The bacteria treats the attached viral particle s (bacteriophage) genetic material as its own. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Who proved that DNA was indeed the genetic material through experiments? |
| A. | Alfred Hershey and Maclyn McCarty |
| B. | Oswald Avery and Maclyn McCarty |
| C. | Oswald Avery and Martha Chase |
| D. | Alfred Hershey and Martha Chase |
| Answer» E. | |
| 9. |
What are the viruses that affect bacteria known as? |
| A. | Virophage |
| B. | Bacteriophage |
| C. | Mimivirus |
| D. | Virology |
| Answer» C. Mimivirus | |