21- How many member countries are there in WHO?
(A) 186
(B) 192
(C) 194
(D) 198
22- Which of the following disease is caused by protein deficiency?
(A) Anaemia
(B) Hypothyroidism
(C) Kwashiorkor
(D) Scurvy
23- The best parameter to measure air pollution is?
(A) SO2
(B) CO2
(C) CO
(D) N2O
24- Bite of which of the following animals do not result in human rabies?
(A) Dog
(B) Mouse
(C) Cat
(D) Horse
25- Drinking water should be?
(A) Soft water
(B) Hard water
(C) Moderately hard water
(D) Very hard water
26- Malaria is transmitted by?
(A) Female anopheles mosquito
(B) Male anopheles mosquito
(C) Aedes mosquito
(D) Culex mosquito
27- What is the upper limit of exposure to noise up to which there is no damage to hearing?
(A) 160 db
(B) 70 db
(C) 85 db
(D) 100 db
28- Most important health status indicator of country is?
(A) Life expectancy rate
(B) Maternal mortality rate
(C) Infant mortality rate
(D) Total fertility rate
29- Term “isolation” is useful in preventing all of following diseases except?
(A) Covid -19
(B) Cholera
(C) Pneumonic plague
(D) Hepatitis A
30- Relative humidity is determined by
(A) Kata thermometer
(B) Anemometer
(C) Sling psychometer
(D) Gardbad apparatus
ANSWERS:
21-(C), 22-(C), 23-(A), 24-(B), 25-(C), 26-(A), 27-(C), 28-(C), 29-(D), 30-(C)