micro-organisms

Most microorganisms cannot be seen without a...

• microscope
• magnifying lens
• telescope
• x-ray machine

Which is a true statement?

• All microorganisms are harmful.
• All microorganisms are beneficial.
• Some microorganisms are harmful while others are beneficial.
• Microorganisms are beneficial only to humans.

Yeast is used to make...

• rolls
• cakes
• pizza crust
• all of the above

What is the cause of the common cold?

• bacteria
• cold temperatures
• sneezing and coughing
• viruses

Yogurt and cheese  can be produced from ___________.

• Bacteria
• Virus
• Protozoa
• Algae

The smallest microorganism on earth is known as  _____________

• a virus
• bacteria
• algae
• fungi

Harmful bacteria produces cheese.

• True
• False

A fungi which is a rich source of protein

• Mushroom

• Chlamydomonas

• Tofu

• Aspergillus

What are the best conditions for yeast cells and mould (both types of fungi) to grow?

• Dark, cold and dry

• Damp, warm and food

• Dark, cold and food

• Light, food and dry

Which of these is a common symptom of food poisoning

• vomiting

• coughing

• sore throat

• aching muscles