True or False and Multiple Choice Quiz

Parasites are living things that live on or in a host.

• True

• False

All bacteria cause diseases in humans.

• True

• False – some bacteria are harmless.

Viruses are smaller than bacteria.

• True

• False

Ringworm and athlete’s foot are caused by fungi.

• True

• False

Malaria and dysentery are caused by viruses.

• True

• False – they are caused by parasites.

The skin acts as a barrier to stop germs entering the body.

• True

• False

Acid in the stomach kills germs in food.

• True

• False

Mucus traps germs inside the air passages.

• True

• False

Tears contain chemicals that kill some bacteria.

• True

• False

Vectors are insects that get the disease themselves.

• True

• False – vectors spread disease without getting ill.