Micro-biology

Question 1

What is Microbiology

Answer 1

The study of micro-organisms.

Question 2

What is an example of harmful bacteria?

Answer 2

Disease causing, e.g Salmonella.

Question 3

What is an example of beneficial bacteria?

Answer 3

Food preservation

Question 4

What is an example of harmful fungi?

Answer 4

Poisonous fungi e.g bread mold.

Question 5

What is an example of beneficial fungi?

Answer 5

Food preservation e.g cheese making.

Question 6

Is rhizopous a uni or multicellular fungus?

Answer 6

Multicellular.

Question 7

Lable the parts of rhizopus

Answer 7

Sporangium, rhizoids, spores and sporangiophores.

Question 8

Is yeast a uni or multicellular fungus?

Answer 8

Unicellular.

Question 9

Lable the parts of yeast:

Answer 9

Nucleus, cell wall, cell membrane, mitochondria, cytoplasm.

Question 10

Label the parts of a bacteria cell:

Answer 10

Chromosome, cell wall, cell membrane, cytoplasm, plasmid, flagellum.

Question 11

What are the differences between bacteria and fungi?

Answer 11

Bacteria: Unicellular, no nucleus.
Fungi: Multi or Unicellular, nucleus.

Question 12

Name 2 characteristics of viruses

Answer 12

-They are so small they can’t be seen under a microscope.
- They can’t reproduce in their own, only inside living cells.

Question 13

Name 2 characteristics of agar:

Answer 13

-A jelly like substance.
-A growth medium for bacteria and fungi.
-Extracted from the cell walls of algae.

Question 14

What is biotechnology?

Answer 14

The use of microorganisms to make useful products.

Question 15

Biotechnology examples:

Answer 15

• Cheese making.
• Making vaccines and antibiotics.
• Botox.
• Insulin.