Microbiology And Biotechnology

Question 1

What is microbiology

Answer 1

Refers to the study of very small organisms or micro-organisms

Question 2

Give three examples of micro organisms

Answer 2

bacteria, viruses and fungi

Question 3

Exaplin what is meant by biotechnology

Answer 3

Refers to the use of living things or parts of living things to make useful products

Question 4

What is bacteria and how is it made up

Answer 4

A micro organism that is single celled and needs oxygen to respire
Bacteria is Present everywhere
Many different species

Question 5

Name two beneficial things with bacteria and two harmful things with bacteria

Answer 5

Benefitial- Decomposers
Antibiotics are produced from bacteria
Harmful- Illnesses e.g. food poisoning, sore throat and pneumonia
Tooth decay

Question 6

Conditions needed for bacteria to grow

Answer 6

Food
Water
Suitable temperature
Suitable pH

Question 7

What is a virus

Answer 7

Smallest micro-organism
Not made up of cells
Not capable of reproducing on its own
Have small piece of genetic material - DNA surrounded by a protein coat

Question 8

Diseases caused by viruses

Answer 8

Not made up of cells
Not capable of reproducing on its own
Have small piece of genetic material - DNA surrounded by a protein coat

Question 9

What is a fungus and what are their properties

Answer 9

Variety of environments
Similar to plant cells

Can’t make their own food
Saprophytes (feed off dead organisms e.g bread mould and fungi of decay)