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Questions and Answers
What distinguished viruses from other microorganisms, as mentioned in the text?
What distinguished viruses from other microorganisms, as mentioned in the text?
- They were associated with disease and death.
- They could be cultivated on artificial media.
- They were visible under a light microscope.
- They could pass through a 0.2µ filter. (correct)
Who performed classical investigations on the mosaic disease of tobacco, as mentioned in the text?
Who performed classical investigations on the mosaic disease of tobacco, as mentioned in the text?
- Koch
- Pasteur
- Beijerink
- Mayer (correct)
What key concept was first discovered about viruses according to the text?
What key concept was first discovered about viruses according to the text?
- They could pass through a 0.2µ filter. (correct)
- They were large in size.
- They could be cultivated on artificial media.
- They were visible under a light microscope.
Which scientist postulated enormously enhanced isolation and characterization of disease-inciting microorganisms or 'germs' in 1880?
Which scientist postulated enormously enhanced isolation and characterization of disease-inciting microorganisms or 'germs' in 1880?
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What did viruses retain when passing through a porcelain filter, as mentioned in the text?
What did viruses retain when passing through a porcelain filter, as mentioned in the text?
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What was a limitation of viruses mentioned in the text that differentiated them from bacteria?
What was a limitation of viruses mentioned in the text that differentiated them from bacteria?
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