Question:
Causal organisms of sleeping sickness and kaia-azar belong to which of the following groups of protozoan protists?
Causal organisms of sleeping sickness and kaia-azar belong to which of the following groups of protozoan protists?
Updated On: Jul 6, 2022
- Amoeboid protozoans
- Flagellated protozoans
- Ciliated protozoans
- Sporozoans
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Trypanosoma gambiense, causes Gambian sleeping sickness. The parasite is transmitted by blood sucking tse-tse fly, Glossina palpalis. Leishmania donovani causes kala-azar or dum-dum fever (= visceral leishmaniasis). The parasite is transmitted by sandfly, Phlebotomus argentipes and other species. Causal organisms of both diseases belong to flagellated protozoans of Kingdom Protista.
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Concepts Used:
Biological Classification
The process of grouping living organisms into categories is called biological classification. The most modern 5-kingdom classification was put ahead by an eminent scientist R.H.Whittaker. The five-kingdom classification is based on the criteria like cell structure, mode of nutrition, body form, and reproduction. One of the most important characteristics of this system is that it follows the evolutionary sequence of living organisms. The organisms are classified into distinct taxa or levels like Kingdom, Phylum, Division, Class, Order, Family, Genus, and Species. The 5 kingdoms are as follows:
