Neco Model Questions Vol1 2021 Biology Question 26

Practice objective / multiple choice question 26 from the 2021 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2021 Biology Objective / Multiple Choice Hard Difficulty
Question 26 NECO_MODEL_QUESTIONS_VOL1 • 2021 • BIOLOGY • objective

A bacterial culture shows the following viable counts: after 2 h the count is \(1.2 \times 10^{6}\) cells/mL and after 5 h the count is \(9.6 \times 10^{6}\) cells/mL. The culture experiences a lag phase of 1 h before exponential growth begins. (a) Determine the generation time (in hours) of the bacterium. (b) Assuming the same conditions continue, estimate the viable count after a total incubation time of 10 h.

Answer Options

A. 1.5 hour; 1.0×10^8 cells/mL
Correct Answer B. 1 hour; 3.07×10^8 cells/mL
C. 0.8 hour; 2.5×10^8 cells/mL
D. 1.2 hour; 4.5×10^8 cells/mL
Correct Answer
B
Correct Option:
1 hour; 3.07×10^8 cells/mL

About This Question

This is Neco Model Questions Vol1 2021 Biology Question 26. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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