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Preparation of Spread and Streak Plates Review Quiz:

 

1.   Which of these is the nutrient substance that filled our growth plates?

Jell-O
Agar
Floe
Angst

 

2.   Which of these is the correct name for our growth plates?

Growth plates
Colony plates
Petri plates
Malthus plates

 

3.   Which term is the correct name for the glass elbow?

Spreader
Glass rod
Inoculation rod
Growth rod

 

4.   Which name refers to the type of growth tube used for stock cultures?

Culture tube
Tube
Bacterial tube
Screw-cap storage tube

 

5.   Which term best describes disease-causing bacteria?

Mutualistic
Symbiotic
Commensal
Pathogenic

 

6.   Which technique is used in plate preparation?

Careful
Aseptic
Septic
Careless

 

7.  Which term applies to groups of bacteria growing in a growth chamber?

Clumps
Groups
Colonies
Yurts

 

8.   Which term applies to the metal stick used to create a bacterial growth plate?

Inoculation loop
Metal stick
Spreader
Alcohol stick

 

9.   When bacteria are applied to a growth plate with a metal stick, which pattern is used?

A zigzag pattern.
A circular pattern.
A smooth spread of poured liquid.
A square pattern.

 

10.  What do we call a plate used to isolate a type of bacteria from a group of various bacterial forms?

Spread plate
Streak plate

 

11.  After you open a tube of bacterial organisms, what is the first thing you must do?

Pour the contents on a plate.
Shake the tube up and down
Flame the opening of the tube.
Turn the tube upside down for storage.

 

12.  After you use the tube of bacterial organisms, what is the first thing you do?

Pour the contents on a plate.
Shake the tube up and down.
Flame the opening of the tube.
Turn the tube upside down for storage.

 

13.  Why are finished bacterial plates stored upside down?

To let air in for cell respiration.
To keep water off the growth surface.
To allow more plates per rack.
To prevent leakage.

 

14.  Which of these organisms produces creamy yellow colonies?

E. coli
S. marcescens
M. luteus
T. pallidum

 

15.  Which of these organisms produces red colonies?

E. coli
S. marcescens
M. luteus
T. pallidum