Cell Cultures and Characteristics Which of the following is used for the proper maintenance and preservation of pure cultures? Periodic transfer to fresh media Preservation by overlaying cultures with mineral oil All of these Preservation by lyophilization Periodic transfer to fresh media Preservation by overlaying cultures with mineral oil All of these Preservation by lyophilization ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Peptone water and nutrient broth are basal media enriched media selective media none of these basal media enriched media selective media none of these ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria? Foul odour Gas in specimen All of these Presence of sulphur granules Foul odour Gas in specimen All of these Presence of sulphur granules ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at -20 to -30°C -30 to -48°C -60 to -78°C -48 to -58°C -20 to -30°C -30 to -48°C -60 to -78°C -48 to -58°C ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics The concentration of agar to obtain semi solid media is >10% 1.5-20% >10%but<20% 0.5% or less >10% 1.5-20% >10%but<20% 0.5% or less ANSWER DOWNLOAD EXAMIANS APP
Cell Cultures and Characteristics Plate counts are often reported as thousands/ml cfu cfu/ml Both (a) and (b) thousands/ml cfu cfu/ml Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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