alleryWhich antibiotic is specifically noted as effective against tuberculosis?
APenicillin
BRifamycin
CBacitracin
DNeomycin
Answer & Solution
Correct answer: B. Rifamycin
1. Many antibiotics act against gram positive and gram negative bacteria.
2. Rifamycin is singled out as effective against tuberculosis.
3. Penicillin, bacitracin and neomycin are listed as general antibiotics without the TB note.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 7 "Introduction to Microbiology", p.91_
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