Standard Science Primary 3 Diversity

Which statement about bacteria is correct?

A Bacteria are the largest living things.
B All bacteria are harmful to humans.
C Bacteria do not need food to survive.
D Bacteria can only be seen with a microscope.
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Worked Solution

Step 1: Recall that bacteria are micro-organisms. Step 2: They are single-celled and extremely small. Step 3: Therefore, they are invisible to the naked eye.

Correct answer: Bacteria can only be seen with a microscope.

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