Multiple choice

Who is credited with discovering Viruses?

  1. Joseph Lister

  2. Dmitri Ivanowski

  3. Stanley Pruisner

  4. Robert Koch
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dmitri Ivanovsky is credited with discovering viruses through his research on tobacco mosaic disease, where he found that the infectious agent could pass through filters that trapped bacteria. Stanley Prusiner discovered prions, while Robert Koch focused on bacterial pathogens.

Keep practicing — related questions