13 Questions
What is the best way to describe viruses?
Infectious particles
What is the size range of viruses?
20 nm to 200 nm
Which of the following cells can viruses infect?
Every type of cell
Compared to animal cells, how small are viruses?
$50$ times smaller
How can bacteria be best described?
Prokaryotic microorganisms
What is the most appropriate term for viruses in terms of being alive or dead?
Active or inactive
What term is used to describe viruses as they are unable to carry out their life-sustaining functions or reproduce without a host cell?
Obligate intracellular parasites
Which statement best describes the function of viruses once they infect a host cell?
Viruses use the ribosomes of their host cells to synthesize viral proteins.
What do viruses use to generate or store energy, and for all other metabolic functions?
Host cell's ATP
What is the Latin word for 'poison', which is now used to refer to viruses?
Poison
Which discovery led to the identification of agents now known as viruses?
Fluid extract from diseased animals and plants passing through a filter
Which of the following is NOT a common disease caused directly by viruses?
Diabetes
What are viruses recognized as, in addition to causing diseases?
Gene carriers
Test your knowledge of microbiology with this quiz covering an overview of the field, including its history, scope, and classification of microorganisms, as well as a focus on major groups such as viruses and prokaryotes. This quiz is based on learning units 1 and 2 of a microbiology course.
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