Contents

Science is originated from a Latin word Scienta, which means to……….
a) know                
b) behave             
c) teach  
d) act

a
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Great job

by at 2023-03-17 16:28:31

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Scientific knowledge is obtained by observations and……….
a) principles                         
b) experiments
c) checking                           
d) none of these

b

When the World Health Organization (WHO) started a worldwide campaign to eradicate smallpox?
a) 1967                 
b) 1977                 
c) 1987 
d) 1997

a
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Excellent work for students who interested in study online.

by at 2023-01-25 20:45:59

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When and where the last case of smallpox occurred?
a) 1970, Seri Lanka          
b) 1973, Indonesia
c) 1977, Somalia          
d) none of these

c

When World Health Assembly declared the world free of smallpox?
a) May 8, 1980                   

b) June 12, 1982
c) July 7, 1983                     

d) Jan 22, 1995

a

……….is the only disease that has been completely wiped out throughout the world.
NTS PST (B) -------2021
a) Smallpox                        
b) Chicken pox
c) Measles                                            
d) Cholera

a