Important example(s) of enriched medium/media is/ are All of these Loeffler's serum slope Blood agar Bordet-gengou medium TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following methods is most likely to be quantitative? Wet mount Gram staining None of these Dilution and plating TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following problem makes it impossible to satisfy all of Koch's postulates? Microorganism cannot be isolated in pure culture Genes from the microorganism cannot be amplified by PCR Species of microorganism is in question Microorganism causes serious symptoms in humans TRUE ANSWER : ? YOUR ANSWER : ?
In the pour plate method, the mixed culture is diluted directly in tubes of sterile liquid usually water none of these both (a) and (b) liquid agar medium TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria? All of these Gas in specimen Presence of sulphur granules Foul odour TRUE ANSWER : ? YOUR ANSWER : ?
The concentration of agar to obtain semi solid media is >10% 1.5-20% 0.5% or less >10%but<20% TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following bacteria can grow in alkaline pH? Shigella Vibrio cholerae Salmonella Lactobacilli TRUE ANSWER : ? YOUR ANSWER : ?
In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -30 to -48°C -48 to -58°C -20 to -30°C -60 to -78°C TRUE ANSWER : ? YOUR ANSWER : ?
Treponema species from human oral cavity can be selected by using all of these incubation temperature cell size and motility pH of the medium TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is used for the proper maintenance and preservation of pure cultures? Preservation by lyophilization Preservation by overlaying cultures with mineral oil All of these Periodic transfer to fresh media TRUE ANSWER : ? YOUR ANSWER : ?