Biology
NULL
Medium
Question
The size of smallest virus is ______________?
A
10 nm
B
20 nm
✓ Official correct answer
C
30 nm
D
40 nm
Community credibility
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A
10 nm
No member explanations yet for this option.
B
20 nm
No member explanations yet for this option.
C
30 nm
No member explanations yet for this option.
D
40 nm
No member explanations yet for this option.
Explanation
The smallest known viruses, such as certain parvoviruses, measure around 20 nanometers in diameter.