Types Of Microorganisms! Hardest Trivia Quiz
- 1.Define what is meant by emerging and remerging disease OR state Koch's postulates.
- 2.List two differences between optical light microscope and electron microscope OR differentiate between negative and positive staining using examples
- 3.Define glycocalyx and describe its different forms OR list and briefly describe two basic layers that make up cell envelope
- 4.List the mechanisms by which an enzyme lowers the activation energy and brings on the transition state OR what are holoenzymes and give examples.
- 5.List and briefly describe the events in nitrogen cycle OR describe life cycle of endospore forming bacteria, including formation and germination of endospores
- 6.Contrast the major structure of gram-positive and gram-negative cell wall OR what is competitive and noncompetitive inhibition
- 7.Disease-causing microorganisms are called
- A.
Decomposers
- B.
Prokaryotes
- C.
Pathogens
- D.
Eukaryotes
- 8.The microorganisms that recycle nutrients by breaking down dead matter and wastes are called
- A.
Decomposers
- B.
Prokaryotes
- C.
Fermenters
- D.
Pathogens
- 9.The microorganisms that do not have a nucleus in their cell wall are called
- A.
Decomposers
- B.
Prokaryotes
- C.
Pathogens
- D.
Eukaryotes
- 10.Which activity is an example of biotechnology?
- A.
Bacteria in the soil secreting an antibiotic to kill competitors
- B.
A microbiologist using the microscope to study bacteria
- C.
Humans using yeast to make beer and wine
- D.
Mycobacterium tuberculosis in the lungs causing TB
- 11.The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was
- A.
F. Redi
- B.
A. Leeuwenhoek
- C.
L. Pasteur
- D.
J. Lister
- 12.Spontaneous generation is the belief that
- A.
Germs cause infectious diseases
- B.
Microbes are diverse and ubiquitous
- C.
Microbes placed in an infusion can grow in it
- D.
Living things arise from nonliving matter
- 13.Koch's postulates are criteria used to establish that
- A.
Microbes are found on dust particles
- B.
A specific microbe is the cause of a specific disease
- C.
Life forms can only arise from preexisting life forms
- D.
A specific microbe should be classified in a specific kingdom
- 14.Which scientist discovered heat resistant bacterial spores
- A.
J. Lister
- B.
R. Koch
- C.
F. Cohn
- D.
A. Leeuwenhoek
- 15.The rash and/or hemorrhage associated to Rocky Mountain spotted fever and Typhus occur when this bacterium targets the endotheilal cells that line blood vessels
- 16.This bacterium has a life cycle that includes elementary and reticulate bodies
- 17.This bacterium is a member parasite that adheres to and damages the mucous membrane of the respiratory, urinary, and reproductuve tracts
- 18.This bacterium causes a commonly acquired sexually transmitted bacterial disease and Trachoma, the most common cause of blindness
- 19.Which bacterium was the first organisms to produce oxygen as a byproduct of photosynthesis
- 20.If microbiologist is studying a specimen at a total mag of 950x, what is the magnifying power of the objective lens if the ocular lens is 10x
- A.
100x
- B.
950x
- C.
850x
- D.
95x
- 21.Which microscope achieves the greatest resolution and highest magnification
- A.
Bright-field
- B.
Dark-field
- C.
Phase-contrast
- D.
Electron
- 22.Which microscope bombard a whole, metal-coated specimen with electrons moving back and forth over it
- A.
Fluoresence
- B.
Differential interference contrast
- C.
Scanning electron
- D.
Transmission electron
- 23.The primary purpose of staining cells on a microscope slide is to
- A.
Kill them
- B.
Secure them to the slide
- C.
Enlarge the cell
- D.
Add contrast in order to see them better
- 24.A microbiologist makes a fixed smear of bacterial cells and stains them with methylene blue. all the cells appear blue under the oil lens. this is an example of
- A.
Negative staining
- B.
Using an acidic dye
- C.
Simple staining
- D.
Using acid-fast stai
- 25.Why is immersion oil often used when viewing specimens under the microscope
- A.
To stain the cells blue
- B.
To prevent smear from drying out
- C.
To slow bacterial movement so you can see cells better
- D.
To increase the resolution
Questions: 20 | Attempts: 5516 | Last updated: Feb 23, 2021
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