Post Utme Osustech 2025 Biology Question 28

Practice objective / multiple choice question 28 from the 2025 Post Utme Osustech Biology examination.

Post Utme Osustech 2025 Biology Objective / Multiple Choice
Question 28 POST_UTME_OSUSTECH • 2025 • BIOLOGY • objective

In a study on the effect of pH on the growth of E. coli, the following data were collected:\n\npH 0 1 2 3 4 5 6 7 8 9 10\n\nGrowth (OD600) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1\n\nWhat is the pKa of the acid responsible for the change in growth rate?

Answer Options

A. 4.5
Correct Answer B. 5.5
C. 6.5
D. 7.5
Correct Answer
B
Correct Option:
5.5

About This Question

This is Post Utme Osustech 2025 Biology Question 28. It is one of the objective questions from the 2025 Post Utme Osustech Biology examination.

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