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History of Microbiology

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

Scientist who is best known for his improvement of the microscope?

a)

Anton van Leeuwenhoek

b)

Alexander Fleming

c)

Robert Hooke

d)

Louis Pasteur

2.

Which of the following is false according to Koch's Postulates?

a)

The causative agent must be present in healthy animals

b)

The pathogen must be isolated from the diseased host

c)

The same disease must be produced when microbes from the pure culture are inoculated into healthy susceptible animals

d)

The causative agent must be present in every case of the disease

e)

The same pathogen must be recoverable in the artificially infected animal

3.

Scientist who discovered penicillin?

a)

Alexander Fleming

b)

Edward Jenner

c)

Ignaz Semmelweis

d)

Joseph Lister

e)

Paul Ehrlich

4.

Scientist who instituted a strict hand washing policy causing the mortality rates of women giving birth to drop?

a)

Ignaz Semmelweis

b)

Louis Pasteur

c)

Joseph Lister

d)

Edward Jenner

5.

What are small Extrachromosomal DNA found among some bacteria?

a)

chromosomes & plasmids

b)

DNA ligase

c)

Chromosome

d)

Plasmids

6.

Which of the following is NOT true about bacterial endospores?

a)

All bacteria can sporulate

b)

Endospores can resist bad environments

c)

Endospores germinate in favorable environments

d)

Clostridium species can form endospores

7.

Edward Jenner is credited with which of the following?

a)

Applying germ theory to medical practices such as surgery

b)

Discovering the antibiotic properties of Penicillium

c)

Creating steps to link a specific bacteria to a specific disease

d)

Discovering the process of fermentation

e)

Developing the process of vaccination

8.

Which of the following is true about the theory of spontaneous generation?

a)

States that all cells come from pre-existing cells

b)

States that life arises from non-living matter

c)

Is believed to be true today

9.

Robert Koch is credited with which of the following?

a)

Introduce the binomial nomenclature.

b)

Discovering the antibiotic properties of penicillium

c)

Discovering the process of fermentation

d)

Creating steps to link a specific bacteria to a specific disease

10.

Which of the following is NOT true of archaea?

a)

They are prokaryotes

b)

they do NOT have a membrane bound organelles

c)

presence of peptidoglycan in their cell walls

d)

They live in extreme environments

11.

Which is NOT true of bacteria?

a)

They are prokaryotes

b)

They have peptidoglycan in their cell walls

c)

They have a nucleus

d)

Some use photosynthesis

12.

If you boiled nutrient broth and sealed the flask and saw no growth. Which of the following are valid conclusions?

a)

Life can not spontaneously generate

b)

Air or "vital force" may be needed for spontaneous generation

c)

That spontaneous generation is true

13.

A peritrichous flagellum means

a)

One flagella

b)

Two flagella

c)

Many flagella

14.

Where is a basal body found?

a)

cell wall

b)

flagella

c)

nuclear area

d)

pilus

15.

A rod-shaped bacteria in chains would be called:

a)

Sterptococci

b)

Diplocacilli

c)

Streptobacilli

16.

Which would be chains of round cells?

a)

Staphylococcus

b)

Streptococcus

c)

tetrads

d)

octads

17.

Which structure's role is to prevent white blood cells engulfing the bacteria?

a)

Flagella

b)

Pilus

c)

Capsule

d)

Fimbriae

18.

Which part of a bacteria cell wall "holds" the stain? 

a)

plasma membrane

b)

fimbriae

c)

pilus

d)

peptidoglycan

19.

The outer covering of a bacteria cell is called the

a)

flagella

b)

cell wall 

c)

cytoplasm

20.

A disease causing organism

a)

pathogen

b)

poison

c)

vaccine

d)

infection