Igcse Model Questions Vol1 2025 Biology Question 2
Practice objective / multiple choice question 2 from the 2025 Igcse Model Questions Vol1 Biology examination.
In a bacterial culture the population increased from \(2 \times 10^{5}\) cells to \(1.6 \times 10^{6}\) cells in 4 hours, assuming exponential growth.\n(a) Determine the generation time (in hours) of the bacteria under these conditions.\n(b) If the temperature is raised so that the generation time decreases by 20 %, calculate the expected population after a further 6 hours. Give your answer in scientific notation to two significant figures.
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This is Igcse Model Questions Vol1 2025 Biology Question 2. It is one of the objective questions from the 2025 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Hard .
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