Contagium vivum fluidum was proposed by
1. DJ lvanowsky
2. MW Beijernek
3. Stanley
4. Robert Hook
The difference between virus and viroid is
1. | absence of protein coat in viroid, but present in the virus. |
2. | presence of low molecular weight RNA in virus, but absent in viroid, |
3. | Both 1 and 2 |
4. | None of the above |
Viruses are non-cellular organisms, but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong to?
1. Monera
2. Protista
3. Fungi
4. -None of these