1. Tobacco necrosis virus
2. Satellite tobacco necrosis virus
3. Tobacco mosaic virus
4. Potato mosaic virus
Satellite tobacco necrosis virus
1. Pox virus
2. Penicillium virus
3. wound tumour virus
4. coliphage
Pox virus
1. x 174
2. TMV
3. Citrus tristeza
4. T1 phage
Citrus tristeza
1. occur only inside the bacteria
2. multiply only in the host cytoplasm
3. are made up of proteins only
4. behave as if they were plants
multiply only in the host cytoplasm
1. ribovirus
2. reovirus and Penicillium virus
3. pox virus and LPP-1
4. arbovirus
reovirus and Penicillium virus
1. DNA
2. RNA
3. DNA/RNA
4. None of these
RNA
1. only ss RNA
2. only ds RNA
3. Both RNA and DNA
4. only DNA
only ss RNA
1. slime mould
2. smut
3. bacteriophage
4. bacteriomosaic
bacteriophage
1. 185
2. 158
3. 518
4. 815
158
1. ss DNA
2. ss RNA
3. ds RNA
4. ds DNA
ss DNA