Which of the following statements are false about viruses? I. Viruses are facultative parasites II. Viruses can multiply only when they are inside the living cells III. Viruses cannot pass bacterial proof filters IV. Viruses do not contains proteins DNA and RNA Code |
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a) |
I, II and III |
b) |
II, III and IV |
c) |
I, III and IV |
d) |
I, II, III and IV |
Which of the following statements are false about viruses? I. Viruses are facultative parasites II. Viruses can multiply only when they are inside the living cells III. Viruses cannot pass bacterial proof filters IV. Viruses do not contains proteins DNA and RNA Code |
|||||||
a) |
I, II and III |
b) |
II, III and IV |
c) |
I, III and IV |
d) |
I, II, III and IV |
(c)
Viruses are obligate parasites. If a mixture of viruses and bacteria are filtered through a bacterial proof filter, the viruses will pass through into the filtrate in the flask.
Virus were found to be smaller than bacteria because they passed through bacteria proof filters. Viruses are made up of proteins and DNA or RNA