Biology and Human Welfare
The first scientist, who developed a vaccine against small pox was ?
A) Louis Pasteur
B) Edward Jenner
C) Sanger
D) Gilbert
                    
                    
                    
                The termed vaccine was proposed by
A) Louis Peteur
B) Edward Jenner
C) Edward Tatum
D) Sanger
                    
                    
                    
                Vaccine against diphtheria and tetanus are example of
A) Live vaccine
B) Inactivated vaccine
C) Toxoid vaccine
D) Subunit vaccine
                    
                    
                    
                Subunt vaccine includes
A) Live microbe
B) Killed microbe
C) Toxins
D) Only antigens
                    
                    
                    
                Subunit vaccine is used for
A) Typhoid
B) Polio
C) Hepatitis - B
D) Tetanus
                    
                    
                    
                The process od an individual organism adjusting to a gradual change in its environment is called
A) Acclimatization
B) Climatization
C) Hybridization
D) None of these
                    
                    
                    
                To cross an individual with its parental kind is called
A) Test cross
B) Back cross
C) Selective breeding
D) None of these
                    
                    
                    
                
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