Growth and Nutrition of Bacteria – Section 1

6. Implicit factors

A. depend on developing microflora
B. can be synergistic
C. both (a) and (b)
D. none of the above

Correct Answer: C. both (a) and (b)

7. Lag phase is also known as

A. period of initial adjustment
B. transitional period
C. generation time
D. none of these

Correct Answer: A. period of initial adjustment

8. Which of the following is used to grow bacterial cultures continuously?

A. Chemostat
B. Coulter Counter
C. Hemostat
D. Petroff-Hausser chamber

Correct Answer: A. Chemostat

9. A microbe, which grows at temperatures above 95° C is most likely to be

A. an archaean
B. a fungus
C. a protozoan
D. none of these

Correct Answer: A. an archaean

10. Some organisms can use reduced inorganic compounds as electron donors and are termed as

A. lithotrophs
B. phototrophs
C. chemotrophs
D. photo-organotrophs

Correct Answer: A. lithotrophs

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