McqMate
| Q. |
The casual organism of Polio is - |
| A. | A fungi |
| B. | A virus |
| C. | A worm |
| D. | A bacteria |
| Answer» B. A virus | |
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Explanation: Polio is a highly infectious disease caused by a virus. Its causative agent, poliovirus, was identified in 1908 by Karl Landsteiner. The polio virus invades the nervous system, and can cause total paralysis in a matter of hours. |
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