Microbe Test

Microscopy Quiz

Multiple Select

You hold the microscope by which part(s)?

• Eye piece

• Stage

• Base

• Arm

Multiple Choice

You can only use the coarse focus knob on which magnification power?

• Blue (high power)

• White (Immersion oil)

• Yellow (medium power)

• Red (low power)

Multiple Choice

You can clean the mirror, eye piece, and objectives with what?

• tissue

• paper towels

• lens paper

• water

Multiple Select

You align the slide in place for viewing using which part(s)?

• stage controls

• stage clips

• diaphragm

• objective lens

Multiple Choice

When you are finished using a microscope you always

• turn it off

• switch the objective to low power

• lower the stage to the bottom

• all of the above

Multiple Choice

A gram positive bacteria will show

• purple/blue

• red/pink

• clear

• green

Multiple Choice

A gram negative bacteria will show

• purple/blue

• red/pink

• clear

• green

Multiple Choice

The crystal violet in the gram stain procedure stains the organism

• purple/blue

• red/pink

• brown

• green

Multiple Choice

Iodine in the gram stain procedure functions to

• stain the bacteria purple/blue

• glue the stain to the bacteria

• wash the stain from the bacteria

• counterstain the bacteria red/pink

Multiple Choice

Ethanol in the gram stain procedure functions to

• stain the bacteria purple/blue

• glue the stain to the bacteria

• wash the stain from the bacteria

• counterstain the bacteria red/pink

Multiple Choice

Safranin O in the gram stain procedure functions to

• stain the bacteria purple/blue

• glue the stain to the bacteria

• wash the stain from the bacteria

• counterstain the bacteria red/pink

Multiple Choice

When culturing bacteria, you must use _____________ to collect/swab your organism from a source.

• pipet

• beaker

• inoculating loop

• petri dish

Multiple Choice

When culturing bacteria, you must use _____________ to collect/swab your organism from a source.

• pipet

• beaker

• inoculating loop

• petri dish

Multiple Choice

A ___________ is filled with a this layer of agar to grow bacteria colonies.

• inoculating loop

• beaker

• microscope slide

• petri dish

Multiple Choice

After the agar is inoculated with bacteria, they are placed in-

• the refrigerator to grow right side up

• an incubator to grow right side up

• the refrigerator to grow upside down

• an incubator to grow upside down