Biology Acellular Life ETEA 2022
PMDC Verified Question 38 of 70
Which one of the following is the characteristic of viruses?
A
They are facultative parasites
B
Non-facultative parasites
C
Intracellular obligate parasites
D
All of these
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Intracellular obligate parasites
Concept:

The ecological and biological classification of a virus depends entirely on its relationship with a host.

Solution:

  • Viruses are intracellular obligate parasites.
  • This means they strictly require the internal environment of a host cell to replicate and survive. They cannot reproduce independently.


Why other options are incorrect:

  • Facultative parasites: These can live independently or as parasites. Viruses cannot live independently.

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