Standard Science Primary 3 Diversity

Which of the following is a characteristic of all bacteria?

A They are multi-cellular.
B They are all harmful to humans.
C They can only be seen with a microscope.
D They produce seeds to reproduce.
Show Worked Solution

Worked Solution

Step 1: Bacteria are single-celled micro-organisms. Step 2: Because they are so small, they are invisible to the naked eye. Step 3: Therefore, a microscope is required to see them.

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

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free