Standard Science Primary 3 Diversity

Which of the following is an example of a USEFUL bacterium?

A Bacteria that cause tooth decay.
B Bacteria that help to make yogurt.
C Bacteria that cause a sore throat.
D Bacteria that cause food poisoning.
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Worked Solution

Step 1: Distinguish between harmful and useful bacteria. Step 2: Yogurt is produced through the fermentation of milk by specific bacteria. Step 3: This is a beneficial use of bacteria in food production.

Correct answer: Bacteria that help to make yogurt.

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