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Biology Biological Classification Single Correct MCQ
Published on: August 20, 2026

How many bacteria are produced in four hours if a bacterium divides once in half an hour?

A
8
B
64
C
16
D
256

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Text Solution

Verified by Experts
The correct answer is:
D

A bacterium divides once every 30 minutes.

In 4 hours = 240 minutes

Number of divisions = 240 ÷ 30 = 240 ÷ 30 = 8

So the number of bacteria after 8 divisions is:

2 8 = 256

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