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Bio instrumentation

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

What is the purpose of a laminar air flow in the laboratory?

a)

Count the number of colonies of microorganisms

b)

Sterilize equipment

c)

Produce an updraft to force airborne contaminants away

d)

Aseptic transfer of microbial culture

2.

What is the purpose of an incubator in the laboratory?

a)

Separate fluids based on density

b)

Grow and maintain microbiological or cell cultures

c)

Sterilize equipment

d)

Measure the volume of liquids

3.

What is the function of a centrifuge in the medical microbiology laboratory?

a)

Sterilize equipment

b)

Separate fluids based on density

c)

Visualize small particles

d)

Count the number of colonies of microorganisms

4.

Measures absorbance or transmission of light by a sample of liquid

a)

colorimeter

b)

calorimieter

c)

filter

d)

microscope

5.

Used to heat substances, often to high temperatures.

a)

Oven

b)

Incubator

c)

Bunsen burner

d)

Fridge

6.

Digital instrument that measures the pH of a liquid

a)

litmus paper

b)

universal indicator

c)

phenolphthalein

d)

pH meter

7.

Potato dextrose agar is used in microbiology laboratory to

a)

culture bacteria

b)

culture fungi

c)

culture protozoa

d)

culture metazoa

8.

Gram positive bacterial cell wall major component is

a)

Lipopolysaccharides

b)

Peptidoglycan

c)

Proteins

d)

Carbohydrates

9.

What is this?

a)

Light Chamber

b)

Culture rack

c)

LAF

d)

Autoclave

10.

Name the instrument

a)

Hot Air Oven

b)

LAF

c)

Autoclave

d)

Pressure Cooker