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Med Micro: NW1 Test

Total questions: 49

Worksheet time: 16mins

Name
Class
Date
1.

How many options should every branch in a dichotomous key have?

a)

1

b)

2

c)

3

d)

4

2.

If you were to make a dichotomous key to identify this organism, which option would NOT be used?

a)

Presence of webbed feet

b)

Presence of tail

c)

Fur on the body

d)

Ability to swim

e)

Absence of wings

3.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
4.
What do you do after you come up with your hypothesis?
a)
Conclude
b)
Test your hypothesis
c)
Do a victory dance
d)
Tell your teacher
5.

Known as the Father of Microbiology due to his work with "animacules" found on his own teeth is:

a)

Jonas Salk

b)

Robert Koch

c)

Semmelweiss

d)

Anton Van Leeuwenhoek

6.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
7.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
8.

The exponent for kilo is 10...

a)

-3

b)

3

c)

6

d)

-6

9.

490,000 g = _______kg

a)

490

b)

49

c)

4900

d)

0.49

10.

Which of the following is the correct prefix for 10-6?

a)

milli-

b)

nano-

c)

mega-

d)

micro-

11.
When you focus on a new specimen, always begin with
a)
low power and coarse adjustment.
b)
low power and fine adjustment
c)
high power and coarse adjustment
d)
high power and fine adjustment
12.
What part is 5?
a)
coarse adjustment
b)
fine adjustment
c)
diaphragm
d)
stage
13.
Which part of the microscope controls the amount of light available?
a)
coarse adjustment knob
b)
diaphragm
c)
objective lens
d)
revolving nosepiece
14.
What number is pointing to the cell membrane?
a)
1
b)
2
c)
3
d)
4
15.
What bacterial shape is present in the image?
a)
Bacillus
b)
Coccus
c)
Spirillum
d)
Vibrio
16.

Name this bacteria shape

a)

cocci

b)

bacilli

c)

spirillium

17.

Glycocalyx is a loose protein coat surrounding the prokaryotic cell which helps with either attachment or as a defense mechanism.

a)

True

b)

False

18.

_____ types of proteins are fixed inside the cell membrane?

a)

Peripheral protein

b)

Integral protein

c)

Both

d)

None of the above

19.

The movement of water molecules through a semi permeable membrane from an area of high water concentration to an area of lower water concentration.

a)

Osmosis

b)

Active transport

c)

Co-transport

d)

Counter-transport

20.

Which of the following is true for Gram Positive bacteria?

a)

Peptidoglycan layer is thin

b)

Peptidoglycan layer is thick

c)

No Peptidoglycan layer

d)

Peptidoglycan layer is washed off

21.

What are examples of passive transport

a)

Simple diffusion

b)

Exocytosis

c)

Osmosis

d)

Facilitated diffusion

e)

Endocytosis

22.

Looking at the picture, what type of solution are these cells in?

(a)  

23.

Looking at the picture, what type of solution are these cells in?

(a)  

24.

Looking at the picture, what type of solution are these cells in?

(a)  

25.

What is the job of the cell wall in bacteria?

a)

To provide protection

b)

To make protiens

c)

To hold organelles in place

d)

To hold water and nutrients

26.

This is an area in a prokaryotic cell that contains a large, circular chromosome:

a)

Chromosomal DNA

b)

Capsule

c)

Plasmid DNA

d)

Nucleoid

27.

Which bacterial cell wall contains lipopolysaccharide (LPS)?

a)

Gram positive bacteria

b)

Gram negative bacteria

28.

Has Porin

a)

Gram positive bacteria

b)

Gram negative bacteria

29.
These bacteria are
a)
gram positive and negative
b)
gram positive
c)
gram negative
d)
viral
30.
This is
a)
gram positive
b)
gram negative
c)
confusing (don't choose!)
d)
Who knows? (don't choose)
31.
?
a)
streptococcus
b)
staphlococcus
c)
diplococcus
d)
none of these
32.
?
a)
streptococcus
b)
staphlococcus
c)
diplococcus
d)
none of these are correct
33.
What are the two types of glycocalyces?
a)
flagella and cilia
b)
cilia and slime layer
c)
capsule and flagella
d)
slime layer and capsule
34.

Which measurement is the largest?

a)

nanometer

b)

picometer

c)

micrometer

d)

milimeter

35.

Which glycocalyx can prevent a bacteria from being recognized by a host?

a)

Slimy Glycocalyx

b)

Capsule Glycocalyx

c)

Both types

d)

Neither types

36.

Bacteria exchange genetic information during

a)

asexual reproduction

b)

binary fission

c)

conjugation using pili

d)

photosynthesis

37.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
38.

Which molecules CANNOT passively transport with diffusion?

a)

Dissolved Oxygen

b)

Dissolved Carbon Dioxide

c)

Small Alcohols & Fatty Acids

d)

Sodium Chloride

39.

The structure that is used by bacteria for attachment

a)

fimbriae

b)

pilus

c)

flagella

d)

glycolayx

40.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
41.

His "postulates" disproved the thought of spontaneous generation. He experimented with fruit flies in jars first.

a)

Robert Koch

b)

Joseph Lister

c)

Edward Jenner

d)

Anton Van Leeuwenhoek

42.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
43.

What is Spontaneous Generation?

a)

idea that organisms could come from non-living matter

b)

the law that all living things come from nonliving things

c)

living things come from living things

d)

Non living things create all non living things

44.

When is it OK to eat or drink at the lab tables?

a)

Always

b)

During group work, but not during lab activities

c)

When you have teacher permission

d)

During lab activities

45.
To put out a fire on a person's hair or clothes, use:
a)
the fire blanket.
b)
the wind from running.
c)
the fire extinguisher.
d)
any wet chemical you can find.
46.
Chipped or cracked glassware is okay to use.
a)
True
b)
False
47.
The most important reasons for keeping your workspace neat is to ...
a)
make the teacher happy
b)
prevent accidents or unsafe situations
c)
lose materials in the lab
d)
prevent the room from looking messy
48.
Which is true in the lab?
a)
Eating and drinking are okay if kept away from chemicals
b)
Open toed shoes are best
c)
Loose clothing is best because it doesn't hinder movement
d)
Wear goggles to protect your eyes
49.

Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the natural world. Which of the following statements most accurately compares the difference between scientific theories and scientific laws

a)

science laws are based on evidence while science theories are not

b)

science theories involve only biology, while laws involve all types of science

c)

science theories involve mathematical equations, while science laws are based on observations

d)

science theories are ideas that explain natural events, while science laws predict what will happen in a natural event.