bacteria

Label this missing parts of the bacteria diagram

a

b

c

d

Food poisoning bacteria

Multiply in stomach

Food bourne disease

Multiply in food

What is food poisoning caused by?

​ (a)   and their ​ (b)   and ​ (c)  

• Bacteria
• spores
• toxins

Match the following

• produced by some bacteria

• Toxins are like

• resistant to heat

• Spores are bacteria

• in a resting phase

• Toxins are

• a poision in the food

• Spores can be

Label diagram by placing temperature left of thermometer

i

j

g

f

e

100•C

70•C

0•C

-18•C

1-4•C

63•C

75•C

5•C

-10•C

10•C

Whats the best combination of conditions for bacterial growth

• Food, Moisture, Time

• Food, Moisture, High pH

• Time, Moisture, CO2

• Low pH, Oxygen, Time

Anaerobic bacteria ​ (a)   oxygen to grow.

Aerobic bacteria ​ (b)   oxygen to grow

• do not require
• require
• high pH
• low pH

Viral food poisoning takes place when

• water or food

• Viruses are transmitted by

• living tissue to grow

• Viruses do not

• multiply in food

• Viruses require

Chemical contamination is from

• Fungi

• Allergens

• Pesticides

• Cleaning liquids