Fermentation

Question 1

Name the 2 main types of microorganisms?

Answer 1

Bacteria and Fungi.

Question 2

Name 3 products produced using microorganisms?

Answer 2

Bread, Alcohol, Yoghurt.

Question 3

Why are microorganisms suitable for producing useful substances for humans?

Answer 3

They grow very quickly, have simple nutrient requirements and produce a wide range of products.

Question 4

Give an example of a single celled fungi?

Answer 4

Yeast.

Question 5

What is produced during fermentation in plant and yeast cells?

Answer 5

Carbon dioxide and ethanol (alcohol).

Question 6

Where does fermentation occur in cells?

Answer 6

Cytoplasm.

Question 7

What substance builds up in animal cells during fermentation?

Answer 7

Lactic acid.

Question 8

What is the name for anaerobic respiration in yeast cell?

Answer 8

Fermentation.

Question 9

Name 2 useful substances made by bacteria carrying out fermentation?

Answer 9

Yoghurt and cheese.

Question 10

Name 3 useful substances made by yeast carrying out fermentation?

Answer 10

Bread, wine, and beer.