Standard Science Primary 3 Diversity

Which of the following is an example of bacteria being USEFUL to humans?

A Causing a sore throat
B Turning milk into yogurt
C Causing food poisoning
D Making bread mouldy
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Worked Solution

Step 1: Identify that not all bacteria are harmful. Step 2: Bacteria are used in food production (fermentation). Step 3: Yogurt is made through the action of specific helpful bacteria on milk.

Correct answer: Turning milk into yogurt

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