Laboratory Techniques in Microbiology
Biology ⇒ Microorganisms and Microbiology
Laboratory Techniques in Microbiology starts at 9 and continues till grade 12.
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See sample questions for grade 9
A student accidentally spills a bacterial culture on the bench. What should they do first?
A student is preparing a slide to observe bacteria under a microscope. What is the first step they should take?
A student observes cloudy growth in a broth culture. What does this indicate about the broth?
Describe one way to prevent cross-contamination between different microbial samples.
Describe the importance of using a sterile technique when opening and closing culture containers.
A student accidentally spills a bacterial culture on the bench. What should they do first?
A student is preparing a slide to observe bacteria under a microscope. What is the first step they should take?
A student observes cloudy growth in a broth culture. What does this indicate about the broth?
Which of the following is a liquid medium used for culturing bacteria?
(1) Agar plate
(2) Broth
(3) Slant
(4) Petri dish
Which of the following is a safety rule in the microbiology laboratory?
(1) Tie back long hair
(2) Wear open-toed shoes
(3) Eat snacks at the bench
(4) Leave cultures uncovered
Which of the following is a selective medium?
(1) Nutrient agar
(2) MacConkey agar
(3) Blood agar
(4) Broth
Which of the following is NOT a common method of sterilization?
(1) Filtration
(2) Boiling
(3) Freezing
(4) Autoclaving
Fill in the blank: The ________ is used to count the number of colonies on an agar plate.
Fill in the blank: The ________ is used to measure the turbidity of a bacterial culture.
Fill in the blank: The ________ is used to observe microorganisms at high magnification.
Fill in the blank: The ________ is used to provide a flame for sterilizing equipment in the laboratory.
True or False: All microorganisms require oxygen to grow.
True or False: Aseptic technique is important to prevent contamination of cultures in the laboratory.
True or False: Microorganisms can be seen with the naked eye.
True or False: The Gram stain is a differential staining technique.
