Which virus that infects humans has no vector and is unable to survive outside human body?
Correct answer: D. All of these
- A. Polio virus
- B. Mumps virus
- C. Chicken pox virus
- D. All of these
Explanation
All viruses cause infection in human beings and get transferred by specific vector. Viruses always depends on living host for their survival.
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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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