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Q: The Anti tubercular drug inhibiting RNA synthesis
  • A. Streptomycin
  • B. Ethambutol
  • C. Chloramphenicol
  • D. Rifampicin
Correct Answer: Option D - Rifampicin (Rif) is one of the most potent and broad spectrum antibiotics against bacterial pathogens and is a key component of anti tuberculosis therapy stemming from its inhibition of the bacterial RNA polymerase.
D. Rifampicin (Rif) is one of the most potent and broad spectrum antibiotics against bacterial pathogens and is a key component of anti tuberculosis therapy stemming from its inhibition of the bacterial RNA polymerase.

Explanations:

Rifampicin (Rif) is one of the most potent and broad spectrum antibiotics against bacterial pathogens and is a key component of anti tuberculosis therapy stemming from its inhibition of the bacterial RNA polymerase.