Foundation Science Primary 3 Diversity

Which of the following is a way that bacteria can be helpful to humans?

A They are used to make yogurt.
B They make food rot.
C They cause tooth decay.
D They cause food poisoning.
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Worked Solution

Step 1: Identify helpful vs harmful actions of bacteria. Step 2: Bacteria like Lactobacillus are used in food production. Step 3: Making yogurt is a beneficial use.

Correct answer: They are used to make yogurt.

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