Common Epidemics, Their Causes and Prevention NDA Questions

NDA BIOLOGY

Common Epidemics, Their Causes and Prevention MCQ Questions


13.
Prevention of malaria primarily involves:
A.
Avoiding contact with infected persons
B.
Vaccination with MMR vaccine
C.
Control of Anopheles mosquito breeding and use of insecticides/mosquito nets
D.
Drinking boiled water only
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ANSWER :
C. Control of Anopheles mosquito breeding and use of insecticides/mosquito nets
14.
Typhoid fever is caused by which bacterium?
A.
Salmonella typhi
B.
Shigella dysenteriae
C.
Vibrio cholerae
D.
Escherichia coli
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ANSWER :
A. Salmonella typhi
15.
Typhoid fever is primarily transmitted through:
A.
Contaminated food and water (fecal-oral route)
B.
Airborne droplets from infected persons
C.
Direct skin contact with infected persons
D.
Bite of female Anopheles mosquito
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ANSWER :
A. Contaminated food and water (fecal-oral route)
16.
The diagnostic test used to confirm typhoid fever is:
A.
ELISA test
B.
Dick test
C.
Widal test
D.
Mantoux test
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ANSWER :
C. Widal test
17.
The vaccine available for prevention of typhoid is:
A.
OPV vaccine
B.
BCG vaccine
C.
DPT vaccine
D.
TAB vaccine
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ANSWER :
D. TAB vaccine
18.
Cholera is caused by which pathogen?
A.
Vibrio cholerae
B.
Rotavirus
C.
Salmonella typhi
D.
Entamoeba histolytica
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ANSWER :
A. Vibrio cholerae