Bacteria Quiz

How do bacteria reproduce?

• By laying eggs

• By splitting themselves in two

• By budding

• By growing from seeds

Why can't we see bacteria without a microscope?

• They are too large

• They are too small

• They are invisible

• They are transparent

What is one way bacteria can be useful?

• They always cause diseases

• They can help in digestion

• They are harmful to plants

• They destroy all food

What should you do after handling animals?

• Eat food

• Wash hands

• Go to sleep

• Play outside

What is a safety tip for handling food?

• Wash hands before and after preparing food

• Never wash hands

• Only wash hands after eating

• Wash hands once a day

Which illnesses can bacteria cause?

• Headache and fever

• Diarrhea and pneumonia

• Cold and flu

• Allergies and asthma

What is one negative effect of bacteria on human health?

• They cause allergies

• They cause respiratory illness

• They improve digestion

• They strengthen bones

How do bacteria contribute to the environment?

• By cleaning the air

• By decomposing waste material

• By producing oxygen

• By absorbing sunlight

Which of the following is NOT a role of bacteria?

• Decomposing waste

• Causing illness

• Producing cheese

• Making plants grow

What would be a consequence of no bacteria in nature?

• Faster plant growth

• No decomposition of waste

• More oxygen in the air

• Increased rainfall