SERIES MICROBIOLOGY LAB TEST 1 COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED AND THE LATEST SERIES

2025-2026 SERIES
MICROBIOLOGY LAB TEST 1 COMPLETE QUESTIONS
AND CORRECT ANSWERS | GRADED AND THE
LATEST SERIES
What are the 4 steps to putting a microscope away?


Ans: 1.) Clean
2.) Lower stage completely
3.) Scanning power objective in position
4.) Tighten silver knob


Question: Foods that are made possible by lactic acid fermentation include:


Ans: Answer: yogurt, sauerkraut, sour cream, buttermilk, cheeses, kimchi.


Question: Foods and beverages made possible by ethanol fermentation include:


Ans: Answer: beer, ale, mead, wines, distilled alcoholic beverages, yeast bread.


Question: Foods that are made possible by both lactic acid and ethanol

fermentation include:


Ans: Answer: sourdough bread, kefir


Question: In Autoclave, the temperature is:



A.) 100 C

B.) 112 C

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C.) 121 C

D.) 144 C


Ans: Answer: C


Question: In autoclave, the psi steam is:



A.) 5

B.) 10

C.) 15

D.) 20


Ans: Answer: C


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



A.) 1

B.) 5

C.) 10

D.) 15


Ans: Answer: D


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



A.) 40 (4 x 10)

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B.) 100 ( 10 X 10)

C.) 400 (40 X 10)

D.) 1000 (100 X 10)


Ans: Answer: B


Question: 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)


Ans: Answer: C


Question: 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)


Ans: Answer: D