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Micro Chapter 3 and 9

Total questions: 39

Worksheet time: 39mins

Name
Class
Date
1.
Which scientist disproved spontaneous generation of large organisms by showing maggots came from flies not from rotting meat?
a)
Redi
b)
Needham
c)
Spallanzani
d)
Pasteur
2.
Which scientist designed a special flask that allowed air in but kept microbes out and once and for all disproved spontaneous generation?
a)
Redi
b)
Needham
c)
Spallanzani
d)
Pasteur
3.

What is the idea that life can arise form nonliving material?

a)

biogenesis

b)

evolution

c)

spontaneous combustion

d)

spontaneous generation

4.

Who finally disproved Spontaneous Generation?

a)

Redi

b)

Needham

c)

Spallanzani

d)

Pasteur

5.

This early cell theory scientist looked in a microscope and discovered "animalcules" in the gunk from his teeth and pond water.

a)

Schleiden

b)

Leeowenhoek

c)

Hooke

d)

Virchow

e)

Schwann

6.

Who discovered and named cells while looking at cork?

a)

Captain Hook

b)

Robert Hooke

c)

Matthais Schleiden

d)

Rudolf Virchow

7.

These three scientists together helped come up with the second part of the cell theory (all living things are made of one or more cells). CHOOSE 3 ANSWERS

a)

Schleiden

b)

Leeowenhoek

c)

Hooke

d)

Virchow

e)

Schwann

8.

Which instrument is credited for helping scientists develop cell theory?

a)
b)
c)
d)
9.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

10.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
11.
One example of a prokaryote is a...
a)
fungus
b)
bacteria
c)
animal
d)
plant
12.
Which of the following provide evidence for the hypothesis that prokaryotes evolved before eukaryotes.
a)
prokaryotes are more complex
b)
prokaryotes have no nucleus and fewer genes
c)
eukaryotes are multicellular which makes them simpler
d)
prokaryotes grow into eukaryotes
13.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
14.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
15.
Where is the DNA found in a prokaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
c)
in the ribosomes
d)
attached to the cell membrane
16.
Where is the DNA found in a eukaryotic cell? 
a)
floating around in the cytoplasm 
b)
in the nucleus 
17.
Oldest type of cell
a)
Prokaryote
b)
Eukaryote
c)
both
18.

Which has ribosomes?

a)

Prokaryote

b)

Eukaryote

c)

both

19.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
20.
All eukaryotes and prokaryotes are surrounded by a _____.
a)
cell wall
b)
cell membrane
c)
cell envelope
d)
loving, supportive family
21.

What microbes can grow in an environment that has low pH?

a)

Acidophile

b)

Neutrophile

c)

Alkalophile

22.

These are microbes that can survive high temperatures.

a)

Psychrophile

b)

Thermophile

c)

Mesophile

23.

The optimum temperature where most bacteria can survive

a)

31-40

b)

30-37

c)

31-41

d)

30-39

24.

What is the effect of hypotonic solution to bacterial cell?

a)

shrink

b)

burst

c)

nothing

25.

Microbes that grow in cold temperature

a)

Psychrophile

b)

Mesophile

c)

Thermophile

26.

•Microbes that adapts to high salt concentration

a)

Neutrophile

b)

Alkalophile

c)

Halophile

27.

physical requirements:

a)

pH

b)

Osmotic Pressure

c)

Temperature

d)

Trace Elements

28.

TOLERATE high osmotic pressure

a)

facultative halophiles

b)

Obligate Halophiles

c)

Halophiles

29.

Biofilms are associated with more than 50% of infections.

a)

True

b)

False

30.

The two most common types of media used in the laboratory are:

a)

chemically defined & simple

b)

agar & broth

c)

simple & complex

d)

differential & selective

31.

During which phase of growth are antibiotics most effective (because most of the organisms are dividing)?

a)

lag

b)

log/exponential

c)

stationary

d)

death

32.

Bacteria make necessary enzymes for growth/reproduction.

a)

Lag

b)

Log

c)

Stationary

d)

Death

e)

Long-term Stationary (LTS)

33.

Most binary fission occurs.

a)

Lag

b)

Log

c)

Stationary

d)

Death

e)

Long-term Stationary (LTS)

34.

No nutrients or space remain for growth.

a)

Lag

b)

Log

c)

Stationary

d)

Death

e)

Long-term Stationary (LTS)

35.

Culture media provide microbes with:

a)

CO2

b)

O2

c)

nutrients

d)

agar

36.

Bacteria growing in natural environments form:

a)

colonies

b)

pure cultures

c)

spores

d)

biofilms

37.

Bacteria growing in lab environments form:

a)

colonies

b)

gangs

c)

spores

d)

biofilms

38.

Osmophile:

a)

sugar-loving microbe

b)

salt-loving microbe

c)

methane-loving microbe

39.

Bacteria communicate cell-to-cell using:

a)

planktonic phrasing

b)

subculturing

c)

quorum sensing

d)

inoculation

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