MCB 2289L Module 2 quiz

Queston 1 1 out of 1 points Which type of media provides the best opton for obtaining a culture with isolated bacterial colonies? Selected Answer: Agar plates Queston 2 1 out of 1 points Which statement correctly describes the level on contaminaton on different objects? Selected Answer: Different objects will vary in their level of contaminaton. Queston 3 1 out of 1 points By looking at a colony found growing on a general-purpose medium, you can usually tell what specifc type of bacteria are growing on the plate. Selected Answer: False Queston 4 0 out of 1 points Contaminaton is the introducton of an unwanted organism into a culture Selected Answer: True FALSE Queston 5 1 out of 1 points Microorganisms should NOT be found in which of the following locatons? Select all that apply Selected Answer: Surface of a sterile petri dish Queston 6 1 out of 1 points Just by looking at a broth afer transfer, one can tell in contaminaton has occurred: Selected Answer: False Queston 7 1 out of 1 points Which type of sterile media is liquid in nature? Selected Answer: Nutrient broths Queston 8 1 out of 1 points How is a glass culture tube handled during aseptc transfers? Selected Answer: The mouth is passed through the flame right when opened and just before closing Queston 9 1 out of 1 points When incubatng a plate, it should be placed in the incubator with the lid side up. Selected Answer: False Queston 10 1 out of 1 points Separated bacterial colonies are observable in broth cultures Selected Answer: False Queston 11 1 out of 1 points What is used in the lab to support the growth of a microbial populaton? Selected Answer: culture medium Queston 12 1 out of 1 points Why is 35-37 degrees Celsius a standard incubaton temperature range for many lab exercises involving medically important bacteria? Selected Answer: This range is close to human body temperature, which is preferred by many of these organisms Queston 13 1 out of 1 points Microorganisms can be described as being ubiquitous which means that they: Selected Answer: Are present on nearly every surface This study source was downloaded by from CourseH on :45:14 GMT -05:00 This study resource was shared via CourseHQueston 14 1 out of 1 points The cloudy growth seen in a broth culture is referred to as Selected Answer: Turbidity Queston 15 1 out of 1 points A pure culture contains Selected Answer: one type of microorganism This study source was downloaded by from CourseH on :45:14 GMT -05:00 This study resource was shared via CourseH Powered by TCPDF ()