Infectious RNA particles without protein coat
1. Have high molecular weight
2. Were discovered by Alper
3. Known to cause disease in plants
4. More than one option is correct
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Subtopic: Virus, Viroids & Prions |
79%
Level 2: 60%+
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In five kingdom system of classification how many kingdoms include organisms with only photosynthetic mode of nutrition?
1. One
2. Two
3. Four
4. Three
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Subtopic: Different Classification Systems |
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State true (T) or false (F) for the following statements.
A. Cyanobacteria ofter form blooms in polluted water bodies.
B. Archaebacteria are eubacteria.
C. Mycoplasma are organisms that completely lack a cell wall.