NEET UG BIOLOGY MCQ: CELL-CYCLE & CELL DIVISION

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If the generation time of a bacterium is 40 minutes and a culture containing

10^7 {cells} / {ml}

is grown for 4 hours, then calculate its population after that period.

View answer and explanation

Correct option: A

64 \times 10^7

Option A (

64 \times 10^7

) is correct because the bacteria divide every 40 minutes, so in 4 hours (240 minutes), there are 6 divisions. Thus, the population increases by a factor of 2⁶ = 64.

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