Post Utme Abu 2020 Biology Question 12

Practice objective / multiple choice question 12 from the 2020 Post Utme Abu Biology examination.

Post Utme Abu 2020 Biology Objective / Multiple Choice
Question 12 POST_UTME_ABU • 2020 • BIOLOGY • objective
Post Utme Abu 2020 Biology Question 12 diagram

A researcher is studying the effect of pH on the growth of E. coli bacteria. The researcher finds that the bacteria grow best at a pH of 7.5. However, the bacteria are unable to grow at a pH of 5.5. What is the likely reason for this?

Answer Options

Correct Answer A. The bacteria are unable to produce the enzymes necessary for growth at a pH of 5.5.
B. The bacteria are unable to survive at a pH of 5.5 due to the presence of toxic compounds.
C. The bacteria are unable to grow at a pH of 5.5 due to the lack of essential nutrients.
D. The bacteria are unable to grow at a pH of 5.5 due to the presence of competing microorganisms.
Correct Answer
A
Correct Option:
The bacteria are unable to produce the enzymes necessary for growth at a pH of 5.5.

About This Question

This is Post Utme Abu 2020 Biology Question 12. It is one of the objective questions from the 2020 Post Utme Abu Biology examination.

View More Post Utme Abu 2020 Biology Questions More Post Utme Abu Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support