The size of smallest virus is______________?
Correct answer: B. 20 nm
- A. 10 nm
- B. 20 nm
- C. 30 nm
- D. 40 nm
Explanation
The smallest commonly cited viruses, such as parvoviruses, are approximately 20 nm in diameter. Their very small size reflects their simple structure and dependence on host cells for replication. Students may choose a because some measurements approach 10 nm, but 20 nm is the standard value used in this classification.
Last updated
Related questions
A bacteriophage recognises and attaches to a specific bacterial cell by means of its
A chemical component that is NOT found in all Viruses is:
A combination of alpha interferon and ribavirin is used for the treatment of hepatitis:
A common polyhedral capsid shape of viruses is a _.
A defective virus that needs the unrelated help of virus that infects the same host cell in order to provide essential functions?