MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Viruses are an example of ________ |
| A. | Obligate parasites |
| B. | Facultative parasites |
| C. | Commensalism |
| D. | Ectoparasites |
| Answer» B. Facultative parasites | |
| 2. |
Who proved that viruses are crystalline like structures? |
| A. | W M Stanley |
| B. | Ivanowsky |
| C. | M W Beijerinek |
| D. | Lavoisier |
| Answer» C. M W Beijerinek | |
| 3. |
Viruses contain sheath made of ______ |
| A. | Nucleic acids |
| B. | Proteins |
| C. | Saccharides |
| D. | Chitin |
| Answer» C. Saccharides | |
| 4. |
Which among the following are incorrect about Viruses? |
| A. | Viruses are acellular |
| B. | Viruses are smaller than bacterium |
| C. | Viruses can perform all of their metabolic activities except reproduction when outside a living host |
| D. | Viruses are non-living organisms |
| Answer» D. Viruses are non-living organisms | |
| 5. |
Why are viruses not included in any of the five kingdoms? |
| A. | There are already more than thousands of organisms in the five kingdoms and hence, no space to include viruses |
| B. | Viruses are not living organisms |
| C. | Viruses reproduce rapidly which is in fact weird and therefore they are not classified under any of the five kingdoms |
| D. | Viruses are so small that they can t be studied |
| Answer» C. Viruses reproduce rapidly which is in fact weird and therefore they are not classified under any of the five kingdoms | |
| 6. |
The word Virus means ______ |
| A. | Venom |
| B. | Proliferate |
| C. | Change |
| D. | Tremendous |
| Answer» B. Proliferate | |
| 7. |
Viruses that infect plants have ________ |
| A. | single stranded RNA |
| B. | double stranded RNA |
| C. | single stranded DNA |
| D. | double stranded DNA |
| Answer» B. double stranded RNA | |
| 8. |
Viruses that infect bacterium are called as _________ |
| A. | Bacteriophages |
| B. | Viral bacterium |
| C. | Bacteiocapsid |
| D. | Bacteriomycin |
| Answer» B. Viral bacterium | |
| 9. |
Viruses in animals contain both RNA and DNA. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Viruses are living organisms. |
| A. | True |
| B. | False |
| Answer» C. | |