Primary 3 Science — Diversity Practice | Standard

Standard Science Primary 3 Diversity

Why do we need a microscope to see bacteria?

A They are transparent.

B They are too small to be seen with the naked eye.

C They only appear in the dark.

D They move too fast to see.

Show Worked Solution

Step 1: Bacteria are single-celled organisms. Step 2: Their size is measured in micrometers. Step 3: Therefore, they are microscopic.

Correct answer: They are too small to be seen with the naked eye.

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