The correct answer is Bacteria.
Key Points
- The cause of dysentery is usually the bacteria Shigella, in which case it is known as shigellosis, or the amoeba Entamoeba histolytica. Other causes may include certain chemicals, other bacteria, protozoa, or parasitic worms.
- Amoebic dysentery is caused by the protozoan parasite Entamoeba histolytica. It is transmitted in areas where poor sanitation allows contamination of drinking water and food with feces. In these areas, up to 40% of people with diarrhea may have amoebic dysentery.
Important Points
- Disease caused by Viruses:
- Chickenpox - It is caused by the Varicella-zoster virus
- Small Pox - It is caused by the Variola virus
- Common Cold -It is caused by Rhinovirus
- AIDS (Acquired Immuno Deficiency Syndrome) - It is caused by Human Immunodeficiency Virus (HIV)
- Measles -It is caused by the Measles virus
- Mumps -It is caused by the Mumps virus
- Rabies - It is caused by the Rabies virus (Rhabdoviridae family)
- Dengue fever -It is caused by the Dengue virus
- Viral encephalitis - It is an inflammation of the brain. It is caused by the rabies virus, Herpes simplex, poliovirus, measles virus, and JC virus
- Disease caused by Bacteria:
-
Whooping Cough - It is caused by a bacterium called Bordetella pertussis.
- Diphtheria - It is caused by Corynebacterium diphtheriae.
- Cholera - It is caused by Vibrio cholera
- Leprosy - It is caused by Mycobacterium leprae.
- Pneumonia- It is caused by Streptococcus pneumonia
- Tetanus - It is caused by Clostridium tetani
- Typhoid - It is caused by Salmonella typhi
- Tuberculosis - It is caused by Mycobacterium tuberculosis
- Plague - It is caused by Yersinia pestis
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- Disease Caused by Protozoans:
- Malaria is spread by Anopheles mosquitoes. The Plasmodium parasite that causes malaria is neither a virus nor a bacteria
- Amoebic dysentery: It is caused by Entamoebahistolytica.
- Sleeping sickness: It is caused by Trypanosomabrucei.
- Kala-azar It is caused by Leishmaniadonovani.
- Disease Caused by Worms
- Tapeworm: They are intestinal parasites. It cannot live on its own. It survives within the intestine of an animal including a human
- Filariasis: It is caused by a thread
- Pinworm: It is caused by a small, thin, white roundworm called Enterobiusvermicularis.

