ASSERTION:The chemical substances produced by microorganisms which in low concentration are antagonistic to the growth of other microorganisms are called antibiotics. REASON:A preparation of a dead or attenuated pathogen, which when injected into a healthy person, provides immunity against a number of diseases, is called vaccine. *
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a) Both assertion and reason are true and the reason is the correct explanation of assertion.
b) Both assertion and reason are true but the reason is not correct for the assertion.
c) The assertion is true but the reason is false.
d) The assertion is false but the reason is true.
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b) Both assertion and reason are true but the reason is not correct for the assertion.
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