Microbiology Lab Final – UTA
Exam/41 Questions and Answers
100% Scores
What biosafety level is considered 'High Risk'? - -BSL-4
- T/F: Media can be considered complex or undefined. - -True
- The autoclave has three main phases: - -Purge, Sterilization, Exhaust
- T/F: Bacteria can be in three relationships: pathogenic, communalistic,
mutualistic - -True
- Active ingredients can either kill microbes ______ or inhibit growth
_________. - -Microbiocidal, Microbiostatic
- T/F: (Control CFU-Treatment CFU)/Control CFU *100% - -True
- T/F: When a single bacterial cell is placed onto agar media, it will start to
undergo binary fission. - -True
- Which one of the following is not an example of form (morphology) of a
bacterial colony? - -Flat
- T/F: CFU stands for colony forming unit - -True
- What is the formal for total magnification? - -Objective * Ocular
- T/F: Stains are basic if negatively charged and acidic if positive. - -False
- T/F: This is a gram positive - -False
- Capsule stain uses what stain? - -India Ink, Crystal Violet
- T/F: Metabolically active cells are also referred to as vegetative cells. - -
TRUE
- Microorganisms that are ____ rely heavily on the environment for 'ready
made molecules' - -Fastidious
- T/F: Undefined media contains ingredients that are normally derived from
extracts of plants, fungi or animal tissue. - -True
Exam/41 Questions and Answers
100% Scores
What biosafety level is considered 'High Risk'? - -BSL-4
- T/F: Media can be considered complex or undefined. - -True
- The autoclave has three main phases: - -Purge, Sterilization, Exhaust
- T/F: Bacteria can be in three relationships: pathogenic, communalistic,
mutualistic - -True
- Active ingredients can either kill microbes ______ or inhibit growth
_________. - -Microbiocidal, Microbiostatic
- T/F: (Control CFU-Treatment CFU)/Control CFU *100% - -True
- T/F: When a single bacterial cell is placed onto agar media, it will start to
undergo binary fission. - -True
- Which one of the following is not an example of form (morphology) of a
bacterial colony? - -Flat
- T/F: CFU stands for colony forming unit - -True
- What is the formal for total magnification? - -Objective * Ocular
- T/F: Stains are basic if negatively charged and acidic if positive. - -False
- T/F: This is a gram positive - -False
- Capsule stain uses what stain? - -India Ink, Crystal Violet
- T/F: Metabolically active cells are also referred to as vegetative cells. - -
TRUE
- Microorganisms that are ____ rely heavily on the environment for 'ready
made molecules' - -Fastidious
- T/F: Undefined media contains ingredients that are normally derived from
extracts of plants, fungi or animal tissue. - -True
