Bacterial and viral diseases in humans: Salmonella and influenza | Starter Quiz | Oak National Academy

Which diseases are non-communicable?

• cancer

• measles

• COVID-19

• heart disease

• flu

Answer explanation

Flu, COVID-19 and measles are all caused by viruses which can easily spread from person to person. Heart disease and cancer are non-communicable.

Which picture shows a bacterium?

• 
• 
• 

Answer explanation

Bacteria don't have a nucleus but have one loop of DNA in the cytoplasm. Option B is a yeast cell which is a type of fungus. Option A shows the COVID-19 virus.

Match the word to its definition.

• pathogen

• A single celled prokaryote.

• bacteria

• An infectious agent.

• virus

• A micro-organism that causes disease.

Answer explanation

Some types of viruses and bacteria can be pathogens.

Which of the following can be pathogens?

• plants

• viruses

• protists

• fungi

• bacteria

Answer explanation

Plants are not microorganisms that spread disease to humans.

What is a vaccination?

• An injection.

• A substance; used to stimulate the body's immune response against disease.

• A substance you take when you are ill.

Answer explanation

Vaccines are used to generate an immune response. Not all vaccines are injections, for example the polio vaccine is given as drops into the mouth.