What is the definition of communicable?

• Can be passed from organism to another

• Communication between individuals

• Can be easily passed from one organism to another

• The ability of bacteria and viruses to link together

"Diseasing causing micro-organism" is the definition of which of these words?

• Infection

• Disease

• Pathogen

• Fungus

Which of these is NOT a pathogen?

• Bacteria

• Virus

• Fungus

• Mosquito

What do bacteria do that makes us feel unwell?

• Enter our cells

• Release toxins

• Reproduce slowly

• Burst our cells

How do viruses make us feel unwell?

• Enter our cells and cause damage

• Release toxins

• Reproduce slowly

Which of these is NOT a viral disease?

• HIV

• Measles

• Tobacco mosaic virus

• Salmonella

How is measles spread?

• Contaminated food

• Air droplets from coughs and sneezes

• Sexual contact

• Contaminated soil

What has happened if a person has developed AIDS?

• You get it automatically when you get HIV

• They have picked up an infection while having HIV

• HIV has damaged their immune system so badly they can no longer fight off simple imfections

• It is a disease you can get on its own

What are the characteristic symptoms of TMV (tobacco mosaic virus)?

• Mottled leaves

• Yellow leaves

• Grey leaves

• Black leaves

Which of these are symptoms of salmonella?

• Diarrhoea and vomiting

• Yellow/green discharge

• Burning sensation when urinating

• Fever