A vehicle borne transmitted diseases are1. plague and Malaria2. chicken pox and Tetanus3. mumps and Common cold4. eye infection and Influenza
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Source of infection in disease like tuberculosis, mumps and whopping cough is :1. direct contact2. droplets of saliva3. carrier organism4. a vector
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Reservoir and carrier organisms differ in :1. Possessing disease causing organisms2. carrying living infectious agents3. absence of movement4. ability to direct infect the host
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Beri-beri was caused in Japanese sailors who were eating :1. ground nut2. eggs3. unpolished rice4. polished rice
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Sir H.G. Hopkins discovered a substance required for growth in :1. water2. alcohol3. milk4. vanaspathi
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The story of vitamin dates back to :1. 15th century2. 16th century3. 17th century4. 18th century
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Water soluble vitamins are :1. folic acid, carotene, pyridoxine2. tocoferol, niacin, pantothenic acid3. riboflavin, cyanocobalamine, calciferol4. thiamine, ascorbic acid, biotin
Which of the sequences in life cycle of malarial parasite is correct :1. sporozoit - cryptozoit - cryptomerozoit2. sporozoit - cryptomerozoit - cryptozoit3. cryptozoit - sporozoit - cryptozoit4. cryptozoit - cryptomerozoit - sporozoit