SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -They are neither living nor non-living. Viruses are pathogenic because they need to hijack the cellular machinery of living cells to multiply. Viruses are smaller than bacteria.
Detailed explanation-2: -Viruses are much smaller. The largest of them are smaller than the smallest bacteria. Unlike bacteria, viruses can’t survive without a host. They can only reproduce by attaching themselves to cells.
Detailed explanation-3: -Size. Bacteria are giants when compared to viruses. The smallest bacteria are about 0.4 micron (one millionth of a meter) in diameter while viruses range in size from 0.02 to 0.25 micron.
Detailed explanation-4: -Martinus Willem Beijerinck (1851-1931) first discovered a pathogen that was smaller than a bacterium. He called it a virus and is therefore the father of virology. Martinus Willem Beijerinck (1851-1931) first discovered a pathogen that was smaller than a bacterium.
Detailed explanation-5: -Solution : Viroids are smaller than viruses.