Microbiology Midterm Exam / strategies Review of Key Quizzes & Correct Answers.
Qs: Define Micro- -
Answer:
Less than 1mm and cannot see with the naked eye Need a microscope to see Microbes, microorganisms, germs, bugs
Qs:
What are the 5 groups of microorganisms studied? -
Answer:
Bacteria--most famous Virus--2nd Fungus--3rd Protozoa--some but few Algae--not a human pathogen
Qs:
What generates 1/2 of the O2 that we breathe and would make life impossible without? -
Answer:
Microbes
Qs:
What is the smallest simplest single-celled organism? -
Answer:
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Bacteria
Qs:
What is not a cell, can't live by itself and needs to invade a cell? -
Answer:
Virus
Qs:
What are the two different classification of fungus? -
Answer:
Molds and yeast--micro Mushrooms--Macro
Qs:
What is a mostly single-celled organism that is Animal like? -
Answer:
Protozoa
Qs:
What are parasites? -
Answer:
Different organisms that range from worms, insects and protozoa that need a host to survive
Qs:
What are the different applied microbiology fields of study -
Answer:
Immunology Epidemiology--control spread of disease Page 2 of 52 2 / 4
Food Micro--relationship between bacteria, food and drink Agriculture Micro--relationship between bacteria and crop Industrial Micro--microbes to produce vitamins, AA, Enzymes, etc.
Qs:
Eukaryotic cells are... -
Answer:
more complete
Qs:
Prokaryotic cells are... -
Answer:
all micro organisms and lack a nucleus
Qs:
Characteristics of microorganisms -
Answer:
Small size Unicellular simplicity High Growth rate Adaptability
Qs:
microscope -
Answer:
instrument used for enlargement of small objects
Qs:
simple microscope - Page 3 of 52 3 / 4
Answer:
single lens and a few working parts. not strong
Qs:
compound microscope -
Answer:
- magnifying lenses, a visible light sours, a condenser which collects light
to direct toward the object
Qs:
magnification -
Answer:
capacity of an optical system to enlarge small objects
Qs:
ocular lens -
Answer:
one we look through. 10X
Qs:
objective lens -
Answer:
- different, 4X, 10X, 40X, 100X
Qs:
What is resoltion? -
Answer:
Capacity of optical systems to distinguish or separate 2 adjacent objects/points from each other. represents clarity of image Page 4 of 52
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