There is a fungus which lives in the soil, and gets its nutrients by capturing and consuming nematodes (small roundworms).  What type of symbiosis is the fungus practicing, and what is the proper name (Genus) of the fungus?

What type of agent caused the brain pathology shown in the above image? a.  bacteria b.  prions c.  protozoa d.  viruses In which Kingdom does the agent that caused this brain pathology belong? a. Animalia b.  Fungi c.  Monera d. Plantae e. none  

What is the technical term for the type of symbiosis to describe the organisms shown growing on the branch, above?  a.  commensalism b.  mutualism c.  parasitism d.  predation What are the two (2) types of organisms that make up the organisms shown above?  a.  plant; fungus b.  alga/cyanobacterium; fungus c.  slime mold; fungus d.  protozoan; fungus What is the relationship between the organisms, shown above, and the tree on which they’re growing?  a.  commensalism b.  mutualism c.  parasitism d.  predation

Looking for something to do during the COVID-19 lockdown, you made wine using some grapes that you grew.  You Gram stained some of the crush, and said, “Things are looking good!” when you saw the image, above. What is the genus name of the microbe whose appearance makes you so happy?  a.  Candida b.  Schizosaccharomyces c.  Pediococcus d.  Saccharomyces To which major group of fungi does the above organism belong?  a.  Ascomycota b.  Basidiomycota c.  Deuteromycota d.  Zygomycota

After an afternoon mushroom hunting, a patient cooks and eats her harvest.  Unfortunately, she becomes very ill, and suffers severe liver damage. What is the technical term for this type of fungal disease?

What is the very first thing you should do when you enter the microbiology lab? a.  Wash your hands. b.  Schedule a study time with your team. c.  Disinfect your bench. d.  Copy your classmate’s homework answers. What is the very last thing you should do before leaving the microbiology lab?  a.  Wash your hands. b.  Schedule a study time with your team. c.  Disinfect your bench. d.  Copy your classmate’s homework answers. When working in the microbiology lab, one should do which of the following?  a.  Wear eye protection eg., goggles. b.  Wear closed (toe and heel) shoes. c.  Wear a protective garment eg., lab coat. d.  All of the above are correct. e.  None of the above is correct. Which of these people could be considered a “compromised” host for opportunistic pathogens?  a.  a healthy pregnant woman b.  a healthy student who has a burn on their hand c.  a person undergoing immunosuppresive therapy for autoimmune disease d.  None of these people are considered compromised. e.  All of these people are considered compromised.

   Which tube would be best for growing your microbes anaerobically and where in the tube/medium would the microbes grow anaerobically? a.  the broth; at the surface b.  the broth; at the bottom (butt) c.  the deep; at the bottom (butt) d.  the deep; at the top e.  the slant; on the surface When growing microbes in any of the tubes, above, should the cap be tightened while the microbes are growing? a.  Always! b.  Only tighten the caps when placing them in the Kill Area. c.  Never! d.  Only tighten the caps when they’re in the incubator. Where should the label be placed on a culture tube before placing the tube in the incubator? a.  at the bottom of the tube b.  on the cap of the tube c.  on the top side of the tube, just under the cap d.  on the rack which holds the tubes What should be done to prepare a culture tube for autoclaving?  a.  remove the tape/label b.  tighten the cap c.  loosen the cap but leave on the tape/label so that the staff know what they’re dealing with d.  loosen the cap and remove the tape/label  

The image, above, is of Nostoc cells. What is the proper technical term for the larger cell at the end of the arrowhead?  a.  chloroplast b.  gigantocyte c.  heterocyte d.  monocyte What is the function of the larger cell at the end of the arrowhead?  a.  carbon-fixation b.  nitrogen-fixation c.  phosphorus-fixation d.  sulfur-fixation

    How are the above instruments sterilized?  a.  autoclaving b.  sprayed with disinfectant c.  irradiation d.  flaming Which of the instruments, above, would be used for stabbing an agar deep?  a.  the loop b.  the needle c.  neither d.  either What is an advantage of using agar as a gelling agent?  a.  It is transparent. b.  It is solid at 37oC. c.  It can serve as a nutrient for many microbes. d.  A and b are correct. e.  B and c are correct. Where on an agar plate should you place your label?  a.  on the lid b.  on the dish c.  It doesn’t really matter as long as there is a label. d.  on the edge of the lid Where should you dispose of used Petri plates? a.  in the Kill area along with used broth cultures in tubes b.  in the Biohazard bin (covered waste bins) c.  in the regular waste bin d.  in the recycling bin – it’s a shame to waste all that recyclable material

  Which of the following should be used to clean the microscope’s objective lenses?  a.  Kimwipe b.  lens paper c.  paper towel d.  newspaper Why is the parfocality of a microscope’s objective lenses helpful to the user?  a.  Distortion due to the lenses being spherical is minimized. b.  Specimens that are centered in one objective are near the center of the next lens. c.  The tendency of different colors to focus at different distances from the lens is minimized. d.  Only small adjustments in focusing are needed when going from lens to lens. What is the total magnification when using the 4X lens with 10X oculars?  a.  40X b.  100X c.  400X d.  1000X