WBCS.LIVE practice question

In virology, what does the specific scientific term 'virion' accurately refer to?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. A virus that has successfully integrated into host DNA.
  2. An incomplete, non-infectious viral fragment.
  3. A completely assembled, infective viral particle outside a host cell.
  4. A specialized protein strictly produced by the host to fight viruses.

Correct answer and explanation

Correct answer: A completely assembled, infective viral particle outside a host cell.

Explanation: āœ… Correct Answer: C) A completely assembled, infective viral particle outside a host cell. šŸ“š Explanation: A virion is the complete, fully assembled, and highly infectious form of a virus when it exists independently outside a host cell. It structurally consists of an inner core of genetic material (DNA or RNA) tightly wrapped within a protective protein shell called a capsid, and sometimes surrounded by an outer lipid envelope.