The susceptibility of a microorganism to antibiotics and other chemotherapeutic agents can be determined by using both (a) and (b) tube dilution technique paper disk plate none of these TRUE ANSWER : ? YOUR ANSWER : ?
Most antibiotics are isolated from plants viruses aquatic microorganisms soil microorganisms TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used only in life-threatening situations when no other drug is adequate? Chloramphenicol Tetracycline Penicillin Streptomycin TRUE ANSWER : ? YOUR ANSWER : ?
The antibiotics which affords a broad spectrum of antimicrobial coverage against aerobic and anaerobic bacteria, rickettsiae, chlamydiae, and mycoplasmas is tetracycline metronidazole gentamicin vancomycin TRUE ANSWER : ? YOUR ANSWER : ?
Fluoroquinolones are antibiotics which inhibit DNA polymerase Cross-linking of peptidoglycan RNA polymerase DNA gyrase TRUE ANSWER : ? YOUR ANSWER : ?
Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of high surface tension moderate osmotic pressure high osmotic pressure low osmotic pressure TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following group is not the carbohydrate containing antibiotic? Vancomycin & Moenomycin Streptomycin & Streptothricin Everninomycin & Nogirimycin Erythromycin & candicidin TRUE ANSWER : ? YOUR ANSWER : ?
The scientist who first discovered the substance penicillin was none of these Joseph Lister Paul Ehrlich Alexander Fleming TRUE ANSWER : ? YOUR ANSWER : ?
Which of the antibiotic is not used as a food preservative ? Nisin β-lactam antibiotic Pimaricin Tylosin TRUE ANSWER : ? YOUR ANSWER : ?
Novobiocin can be used against Haemophilus gram -ve Meningococci & Gonococci all of these gram +ve Staphylococci TRUE ANSWER : ? YOUR ANSWER : ?