Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? Preservation by overlaying cultures with mineral oil Periodic transfer to fresh media All of these Preservation by lyophilization Preservation by overlaying cultures with mineral oil Periodic transfer to fresh media All of these Preservation by lyophilization ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics A medium containing crystal violet dye plus sodium deoxycholate will allow gram (-)ve intestinal bacteria to grow aquatic bacteria to grow gram (+)ve intestinal bacteria to grow none of these gram (-)ve intestinal bacteria to grow aquatic bacteria to grow gram (+)ve intestinal bacteria to grow none of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Selective media facilitate growth of only one kind of organism. Saboraud medium is used to selectively isolate yeasts gram positive bacteria coliform bacteria acid fast organisms yeasts gram positive bacteria coliform bacteria acid fast organisms ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following techniques may be performed quantitatively to determine the number of bacteria of a particular type? Pour plate Spread plate Streak plate technique Both (a) and (b) Pour plate Spread plate Streak plate technique Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Cell size and cell number can be measured using hemocytometer none of these coulter counter petroff-hausser counting chamber hemocytometer none of these coulter counter petroff-hausser counting chamber ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following bacteria can grow in acidic pH? Shigella Vibrio cholerae Lactobacilli Salmonella Shigella Vibrio cholerae Lactobacilli Salmonella ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS