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S2 Microbes Quiz

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

What are the 3 main groups of microbes?

a)

Fungi, Viruses, Flu

b)

Bacteria, Yeast, and Fungi

c)

Bacteria, Virus, and Fungi

d)

Fungi, Viruses and Corona

2.

All microbes contain a nucleus.

a)

True

b)

False

3.

Microbes can be arranged in order of size from largest to smallest. The largest being

(a)  

4.

Microorganisms are measured in units called micrometers. These are smaller than a millimetre. 1mm = ?

a)

1 mm = 10 μm

b)

1 mm = 100 μm

c)

1 mm = 1000 μm

d)

1000 mm = 1 μm

5.

Aseptic technique is very important when dealing with microorganisms. Some examples of aseptic technique are..

a)

wearing safety goggles and a lab coat

b)

disinfecting your work area before and after working with microbes.

c)

washing your hands before and after the experiment.

d)

eating and drinking in the lab as long as its not near the experiment.

6.

All microorganisms are harmful?

a)

False

b)

True

7.

Cheese and yoghurt are made using

(a)  

8.

Yeast is used in the production of bread and alcohol. What product of this reaction is required to make bread rise and beer carbonated.

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

9.

Yeast uses (a)   as food/energy source.

10.

Bacteria is added to milk to make yogurt. When this happens the pH of the milk?

a)

Increases

b)

Decreases

c)

Stays the same

11.

The body has an amazing defense system. Select the example(s) of first line defense from the list below.

a)

Tears - contain enzymes

b)

stomach acid to kill any ingested microbes

c)

Skin is not waterproof so microbes get destroyed

d)

mucus to trap microbes in air ways.

12.

Phagocytosis is

a)

a type of white blood cell which protects the body from harm.

b)

a harmful microbe which could kill you.

c)

the term used to describe cell eating. This is one of the ways harmful microbes are destroyed in the body.

13.

Catching chicken pox and recovering is an example of which type of immunity?

a)

Active

b)

Passive

14.

What type of microorganisms do antibiotics treat?

a)

Viruses

b)

Fungi

c)

Bacteria

15.

Antibiotic resistance is caused by ? (hint: there are 2 correct answers )

a)

not completing the full course of antibiotics.

b)

using the wrong type of antibiotics

c)

over prescription of antibiotics.

d)

not washing your hands

16.

Decomposers breakdown dean animals and plants. They are normally found in the

a)

air

b)

water

c)

soil

d)

skin

17.

Food can be preserved by

a)

storing at a high temperature

b)

storing it at a lower temperature (in fridge or freezer).

c)

pickling (putting food in vinegar)

d)

adding salt and removing water

18.
a)

Type 1 and 3

b)

Type 1 and 4

c)

Type 2 and 3

d)

Type 3 and 4

19.
a)

A

b)

B

c)

C

d)

D

20.
a)

Anemia and athletes foot

b)

Eczema and angina

c)

Thrush and anemia

d)

Thrush and athletes foot