Concept:Dengue is a viral infection spread through the bite of infected mosquitoes.
Explanation:Dengue fever is caused by the dengue virus, which belongs to the family
Flaviviridae.
The dengue virus contains single positive-stranded
RNA as its genetic material.
This virus is primarily spread by the female
Aedes aegypti mosquito.
The disease is commonly found in tropical and subtropical regions worldwide.
Viruses are tiny pathogens that can reproduce only inside a living host cell.
Dengue virus is an arbovirus, meaning it is transmitted by arthropod vectors like mosquitoes.
Bacteria, nematodes, and protozoans are different classes of organisms and are not responsible for causing dengue.
Answer:Dengue is caused by a
Virus.
Correct option:
B. Virus.