Rabies is due to:
Correct answer: D. Virus
- A. Fungi
- B. Bacteria
- C. Protozoan
- D. Virus
Explanation
Rabies is caused by a virus (Lyssavirus), which infects nerve cells and travels to the brain, leading to fatal neurological symptoms. It is not bacterial, since antibiotics don't work and bacteria cause different infections. It is not fungal, as fungi affect skin or lungs, not nerves. It is also not a protozoan, because protozoa cause diseases like malaria, not rabies, and respond to antiparasitic drugs, not vaccines.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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