BIOD 171: Microbiology w/ Lab (Portage
Learning) Exam 2026 Questions and
Answers
Growth Requirements of Bacteria
1)
2)
3) - Correct answer-1) Nutrients
2) Temperature
3) pH
Columbia CNA Agar
Selective:
Differential:
Enriched:
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, 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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Learning) Exam 2026 Questions and
Answers
Growth Requirements of Bacteria
1)
2)
3) - Correct answer-1) Nutrients
2) Temperature
3) pH
Columbia CNA Agar
Selective:
Differential:
Enriched:
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, 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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2