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#24 | Virus & Viroids
(Botany) > Biological Classification
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Related Practice Questions :
Identify the incorrect statement:
| 1. | Virus has a protein coat called capsid made of small subunits called capsomeres. |
| 2. | The core has the genetic material - either RNA or DNA or both. |
| 3. | The capsomeres are arranged in helical or icosahedral forms. |
| 4. | Viruses can infect any type of organism. |
69%
Level 2: 60%+
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Match the Scientists in Column I with their contribution in the field of virology given in Column II and select your answer from the codes given below:
| Column I | Column II | ||
| A. | Ivanowsky | a. | Recognized tobacco mosaic is caused by microbes smaller than bacteria |
| B. | Beijerinck | b. | Demonstrated extract of infected tobacco plants could cause infection in healthy plants |
| C. | Stanley | c. | Showed that viruses could be crystallized |
Codes:
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | b | a | d |
66%
Level 2: 60%+
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Links
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