Suspension of killed or attenuated pathogenic micro-organisms on inoculation if stimulated, results in the formation of antibodies, it is known as
A
Vaccine
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B
Antibiotic
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C
Sera
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D
Antitoxins
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Solution
The correct option is A Vaccine A vaccine is a biological solution prepared by the live but weakened and killed pathogenic microorganism. On administration of this solution, our immune cells produce antibody that destroys any of these microorganisms that it later encounters.