Biological Classification Question 71
71. African sleeping sickness is due to
[1991]
(a) Plasmodium vivax transmitted by Tse tse fly
(b) Trypanosoma lewsii transmitted by Bed Bug
(c) Trypanosoma gambiense transmitted by Glossina palpalis
(d) Entamoeba gingivalis spread by Housefly.
Show Answer
Answer : c
Hints & Solutions
(c) I. African sleeping sickness disease also called as trypansomiasis is common in western and central parts of African continent.
II. The disease is caused by parasite Trypanosoma gambiense of class zooflagellata.
III. The parasite is transmitted through bite of Tse-Tse fly (vector Glossina palpalis).
IV. The disease appears when the causal organism enters into cerebrospinal fluid of human.
V. Trypanosoma is an obligate parasite, digenetic and polymorphic organism.
