Autummn Term Test 2022

Question 1

Give an example of a Fungi, Bacteria and Virus and know that these are microorganisms

Answer 1

Bacteria - E. Coli
Fungi - Death Cap
Virus - Monkeypox

Question 2

Give some examples of useful products made with microorganisms

Answer 2

Yoghurt, Beer, bread, Cheese

Question 3

Give examples of disease caused by virus, bacteria and fungi

Answer 3

Bacteria - TB
Virus - Covid - 19
Fungi - Thrush

Question 4

Where do microorganisms enter the body?

Answer 4

Microorganisms can enter the body through: Food, Water, Air, Placenta and Breast - Feeding, vectors, e.g mosquitos

Question 5

How does the body defend itself against pathogens?

Answer 5

Tears, Skin, Stomach Acid, Mucus

White blood cells
Phyagocytes - Destroy the pathogen
Lymphocytes - Recognise the pathogen

Question 6

What is a vaccine?

Answer 6

A substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

Question 7

What issues are associated with vaccines?

Answer 7

Vaccines can cause short term damage, there is false information about them and many may be very prone to the side effects

Question 8

What is an ‘aseptic’ technique?

Answer 8

Aseptic technique means using practices and procedures to prevent contamination from pathogens

Question 9

What aseptic techniques are used whilst culturing bacteria?

Answer 9

No food or drink, wiping down area.

Question 10

What are the different variables?

Answer 10

Independent variable – the variable that is altered during a scientific experiment.
Dependent variable – the variable being tested or measured during a scientific experiment.
Controlled variable – a variable that is kept the same during a scientific experiment.

Question 11

What are the definitions for the different letters in C.O.R.M.S?

Answer 11

c - Change
O - Organism
R - Repeats
M - Measure
S - Same

Question 12

Whats the difference between reliability and validity?

Answer 12

Reliability refers to the consistency of a measure (whether the results can be reproduced under the same conditions).

Validity refers to the accuracy of a measure (whether the results really do represent what they are supposed to measure).