MCB 2289Lmicrobio lab quiz mod 2

MCB 2289Lmicrobio lab quiz mod 2 Question 1 1 out of 1 points Which type of sterile media is liquid in nature? Selected Answer: Nutrient broths  Question 2 1 out of 1 points Microorganisms can be described as being ubiquitous which means that they: Selected Answer: Are present on nearly every surface  Question 3 0 out of 1 points Which type of media provides the best option for obtaining a culture with isolated bacterial colonies? Selected Answer: Agar slants  Question 4 0 out of 1 points Contamination is the introduction of an unwanted organism into a culture Selected Answer: Tru e  Question 5 1 out of 1 points Which statement correctly describes the level on contamination on different objects? Selected Answer: Different objects will vary in their level of contamination.  Question 6 1 out of 1 points What is used in the lab to support the growth of a microbial population? Selected Answer: culture medium  Question 7 1 out of 1 points The cloudy growth seen in a broth culture is referred to as Selected Answer: Turbidit y  Question 8 1 out of 1 points How is a glass culture tube handled during aseptic transfers? Selected Answer: The mouth is passed through the flame right when opened and This study source was downloaded by from CourseH on :07:27 GMT -05:00 This study resource was shared via CourseHst before closing  Question 9 1 out of 1 points Just by looking at a broth after transfer, one can tell in contamination has occurred: Selected Answer: Fals e  Question 10 1 out of 1 points Separated bacterial colonies are observable in broth cultures Selected Answer: Fals e  Question 11 1 out of 1 points A pure culture contains Selected Answer: one type of microorganism  Question 12 0 out of 1 points Microorganisms should NOT be found in which of the following locations? Select all that apply Selected Answer: On a disinfected bench top  Question 13 1 out of 1 points When incubating a plate, it should be placed in the incubator with the lid side up. Selected Answer: Fals e  Question 14 1 out of 1 points Why is 35-37 degrees Celsius a standard incubation 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  Question 15 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: Fals e This study source was downloaded by from CourseH on :07:27 GMT -05:00 This study resource was shared via CourseH Powered by TCPDF ()