MDCAT Biology MCQ #79

According to the PTB textbook, viruses show a wide range of sizes. What is the typical size range for most viruses?

MDCAT Biology MCQ #79

  1. Question 1

    Q1. According to the PTB textbook, viruses show a wide range of sizes. What is the typical size range for most viruses?

    • A) 10 to 100 nm
    • B) 100 to 1000 nm
    • C) 5 to 50 nm
    • D) 20 to 250 nm

    Answer: 20 to 250 nm

    Explanation: Viruses can range from 20nm to 250nm. 250nm is roughly the size of a small bacterium or the Poxvirus, the largest virus.