Waec Model Questions Vol1 2022 Biology Question 11

Practice objective / multiple choice question 11 from the 2022 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2022 Biology Objective / Multiple Choice Hard Difficulty
Question 11 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • objective

A bacterial culture grows exponentially. After 2 h the population is 5.0×10⁶ cells and after 5 h it is 4.0×10⁷ cells. (i) Determine the generation time (in hours). (ii) Using that generation time, calculate the expected number of cells after 10 h. (iii) If a bacteriostatic agent reduces the growth rate by 30%, what will be the population after 10 h under the same initial conditions?

Answer Options

A. 3.2×10⁸ cells
B. 8.0×10⁷ cells
C. 2.0×10⁸ cells
Correct Answer D. 1.6×10⁸ cells
Correct Answer
D
Correct Option:
1.6×10⁸ cells

About This Question

This is Waec Model Questions Vol1 2022 Biology Question 11. It is a objective / multiple choice question from the 2022 Waec Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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