BIOD 171: Microbiology w/ Lab (Portage Learning) UPDATED ACTUAL Exam Questions and CORRECT Answers

BIOD 171: Microbiology w/ Lab (Portage
Learning) UPDATED ACTUAL Exam
Questions and CORRECT Answers
Growth Requirements of Bacteria
1)
2)

3) - CORRECT ANSWER - 1) Nutrients
2) Temperature
3) pH


Columbia CNA Agar
Selective:
Differential:
Enriched:


Special cultures: - CORRECT ANSWER - Selective: Yes
Differential: Yes
Enriched: Yes


Special cultures: Gram-Positive Microbes


Chocolate Agar
Selective:
Differential:

Enriched: - CORRECT ANSWER - Selective: No
Differential: No
Enriched: Yes

, NUTRIENTS: Microbial Categories (Carbon and Energy):
1)
2)
3)

4) - CORRECT ANSWER - 1) Photoautotrophs- Light energy and CO2
2) Photoheterotrophs- Light energy and organic compounds
3) Chemoautotrophs- Chemical energy and CO2
4) Chemoheterotrophs- Chemical energy and organic compounds


NUTRIENTS: Microbial Categories (Oxygen):
1)
2)

3) - CORRECT ANSWER - 1) Obligate Aerobes: Require O2
2) Obligate Anaerobes: Killed by O2
3) Facultative Anaerobes: Grow better with O2, but can live without it


Other Nutrients (Not for Classification):
1)
2)

3) - CORRECT ANSWER - 1) Nitrogen
2) Trace elements
3) Growth factors


TEMPERATURE: Microbial Categories:
1)
2)
3)