BIO 150 Lab Exam 1 Review Question
and answers 100% correct (12 pgs)
Microscope parts - correct answer ✔
Magnification of occular lens - correct answer ✔10x
Magnification of objectives lenses - correct answer ✔4x, 10x, 40x, 100x
How do you calculate total magnification - correct answer ✔multiply occular
lens x objective lens
What is limit of resolution (Resolving power) - correct answer ✔The actual
measurement of how far apart two points must be for the microscope to view
them as separate.
What is the formula for limit of resolution - correct answer ✔
How to you use oil immersion - correct answer ✔Move objective lens
between 40x and 100x
Place a drop of oil directly on slide
Set objective lens 100x into place
Make sure lens is touching oil
Coccus - correct answer ✔spherical shaped
Bacillus - correct answer ✔rod shaped
, Spiral - correct answer ✔Vibrio (looks like comma)
Spirillum
spirochete
Strepto - correct answer ✔chain
Staphylo - correct answer ✔cluster
Cyanobacteria (Nostoc) - correct answer ✔
Cyanobacteria (Oscillatoria) - correct answer ✔
Cyanobacteria (Gloeocapsa) - correct answer ✔
Rhizopus - correct answer ✔
Penicillium - correct answer ✔
Aspergillus - correct answer ✔
Candida albicans (Yeast) - correct answer ✔Most common form of candida
(white)
Ingredients in Nutrient Agar - correct answer ✔beef extract (3.0 g)
peptone (5.0 g)
and answers 100% correct (12 pgs)
Microscope parts - correct answer ✔
Magnification of occular lens - correct answer ✔10x
Magnification of objectives lenses - correct answer ✔4x, 10x, 40x, 100x
How do you calculate total magnification - correct answer ✔multiply occular
lens x objective lens
What is limit of resolution (Resolving power) - correct answer ✔The actual
measurement of how far apart two points must be for the microscope to view
them as separate.
What is the formula for limit of resolution - correct answer ✔
How to you use oil immersion - correct answer ✔Move objective lens
between 40x and 100x
Place a drop of oil directly on slide
Set objective lens 100x into place
Make sure lens is touching oil
Coccus - correct answer ✔spherical shaped
Bacillus - correct answer ✔rod shaped
, Spiral - correct answer ✔Vibrio (looks like comma)
Spirillum
spirochete
Strepto - correct answer ✔chain
Staphylo - correct answer ✔cluster
Cyanobacteria (Nostoc) - correct answer ✔
Cyanobacteria (Oscillatoria) - correct answer ✔
Cyanobacteria (Gloeocapsa) - correct answer ✔
Rhizopus - correct answer ✔
Penicillium - correct answer ✔
Aspergillus - correct answer ✔
Candida albicans (Yeast) - correct answer ✔Most common form of candida
(white)
Ingredients in Nutrient Agar - correct answer ✔beef extract (3.0 g)
peptone (5.0 g)
