Microbiology Lab Test 1 with Solutions

Microbiology Lab Test 1 with Solutions
What are the 4 steps to putting a microscope away? Correct Ans-1.) Clean

2.) Lower stage completely

3.) Scanning power objective in position

4.) Tighten silver knob



Foods that are made possible by lactic acid fermentation include: Correct Ans-Answer:
yogurt, sauerkraut, sour cream, buttermilk, cheeses, kimchi.



Foods and beverages made possible by ethanol fermentation include: Correct Ans-Answer:
beer, ale, mead, wines, distilled alcoholic beverages, yeast bread.



Foods that are made possible by both lactic acid and ethanol fermentation include: Correct
Ans-Answer: sourdough bread, kefir



In Autoclave, the temperature is:



A.) 100 C

B.) 112 C

C.) 121 C

D.) 144 C Correct Ans-Answer: C

,In autoclave, the psi steam is:



A.) 5

B.) 10

C.) 15

D.) 20 Correct Ans-Answer: C



In autoclave, the amount of minutes it needs to be set for is:



A.) 1

B.) 5

C.) 10

D.) 15 Correct Ans-Answer: D



The total magnification of the low power objective on a microscope is:



A.) 40 (4 x 10)

B.) 100 ( 10 X 10)

C.) 400 (40 X 10)

D.) 1000 (100 X 10) Correct Ans-Answer: B



The total magnification of the high power objective on a microscope is:

, A.) 40 (4 x 10)

B.) 100 ( 10 X 10)

C.) 400 (40 X 10)

D.) 1000 (100 X 10) Correct Ans-Answer: C



The total magnification of the oil immersion power objective on a microscope is:



A.) 40 (4 x 10)

B.) 100 ( 10 X 10)

C.) 400 (40 X 10)

D.) 1000 (100 X 10) Correct Ans-Answer: D



The total magnification of the scanning power objective on a microscope is:



A.) 40 (4 x 10)

B.) 100 ( 10 X 10)

C.) 400 (40 X 10)

D.) 1000 (100 X 10) Correct Ans-Answer: A




Basic dyes are gram ______. Correct Ans-Answer: positive