Y7 Types of Pathogen

Roughly how large are bacteria?

• 1-2 millimetres

• About 1 tenth of a millimetre

• About 1 thousandth of a millimetre (called a micrometre)

• About 1 millionth of a millimetre across (called a nanometre)

Which type of microbe is by far the smallest?

• Bacteria

• Viruses

• Protists

• Fungi

Which of these statements is true?

• All microbes can cause communicable disease

• All diseases are caused by microbes

• Microbes are found almost everywhere on planet Earth

• All microbes are useless to human beings

Microbes which can cause communicable diseases are called...?

• Microorganisms

• Protists

• Pathogens

• Communicens

Which type of microbe is shown in the diagram?

• A bacterium

• A virus

• A fungus

• A protist

Which type of microbe is shown in the diagram?

• A bacterium

• A virus

• A fungus

• A protist

A typical bacterium is made up of rigid cell wall (like a plant cell) surrounding some cytoplasm and a strand of ... ?

Most microbes reproduce by creating a copy of their own DNA and then splitting in two. Which type of microbe cannot reproduce like this on its own?

• Bacteria

• Viruses

• Fungi

• Protists

Which of these is the odd one out?

• Hand sanitiser

• Disinfectant

• Toxins

• Antibiotics

What do the following things all have in common? (Aside from being to do with the human body?)

- The skin

- Stomach acid

- Sneezing

- The immune system

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