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Microbiology: Intro, People and All Things Lab

Total questions: 44

Worksheet time: 2hrs 15mins

Name
Class
Date
1.
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
2.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
3.

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

a)

1

b)

2

c)

3

d)

4

4.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
5.

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.

6.

Which of these explain how a natural phenomenon works or happens?

a)

theory

b)

law

7.
Scientific theories do not change once they have been written down.
a)
True
b)
False
8.
What is the first thing you do when performing the scientific method?
a)
Make a conclusion
b)
make an observation
c)
solve a problem
d)
experiment
9.
Why is it important to collect data?
a)
because
b)
it gives you busy work
c)
They are magically delicious
d)
in order to share your results with others
10.
This step should be done more than once to ensure accurate results. 
a)
Conduct an experiment
b)
conclude
c)
record data
d)
clean up after an investigation
11.

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

12.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
13.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
14.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
15.
32.9 km = ___________ cm
a)
32,900
b)
329,000
c)
3,290,000
d)
32,900,000
16.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
17.

6 kg = _____ g

a)

6

b)

6000

c)

600

d)

.006

18.

0.382 g = _________mg

a)

382

b)

3.82

c)

38.2

d)

0.000382

19.

Convert 525 ml to cl

a)

52.5 cL

b)

5.25 cL

c)

0.525 cL

d)

0.0525 cL

20.

490,000 g = _______kg

a)

490

b)

49

c)

4900

d)

0.49

21.

42 L - _______mL

a)

4200

b)

0.0042

c)

4.2

d)

42,000

22.

285 kg = ______g

a)

285,000

b)

285

c)

2850

d)

28,500

23.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
24.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
25.
32.9 km = ___________ cm
a)
32,900
b)
329,000
c)
3,290,000
d)
32,900,000
26.

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

27.

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

28.
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.
29.
Chipped or cracked glassware is okay to use.
a)
True
b)
False
30.
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
31.
When working with chemicals:
a)
Wear goggles
b)
Smell them to make sure they are fresh
c)
Mix them together to see what happens
d)
Put excess back in the bottle for the next class
32.
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
33.
What is the total magnification of a microscope with two lenses when one lens has a magnification of 10x, and the other lens has a magnification of 30x?
a)
15x
b)
30x
c)
40x
d)
300x
34.
If your teacher asks you to move a microscope to table, how do you carry it?
a)
by the body tube and the eyepiece
b)
with one hand
c)
one hand on the arm and the other under the base
d)
with one hand on the base and the other on the eyepiece.
35.
Which part lets you turn up the power of magnification, such increasing from 40x to 100x?
a)
coarse adjustment knob
b)
diaphragm
c)
field-of-view
d)
revolving nosepiece
36.
What part is 5?
a)
coarse adjustment
b)
fine adjustment
c)
diaphragm
d)
stage
37.
What is part 11?
a)
coarse adjustment
b)
fine adjustment
c)
diaphragm
d)
stage
38.
Which part of the microscope controls the amount of light available?
a)
coarse adjustment knob
b)
diaphragm
c)
objective lens
d)
revolving nosepiece
39.
You can find total magnification by which of the following methods?
a)
ocular PLUS objective
b)
ocular TIMES objective
c)
ocular MINUS objective
d)
ocular DIVIDED BY objective
40.
The__________ sharpens the image under high magnification.
a)
the diaphragm
b)
fine adjustment knob
c)
coarse adjustment knob
d)
the ocular
41.
Never use this when on high power.
a)
Fine adjustment
b)
Diaphragm
c)
Course adjustment
d)
Stage clips
42.
What is the function of stage clips?
a)
To move the objectives
b)
To keep the slide secure
c)
To adjust the focus
d)
To look through
43.

What area(s) do you need to sign out and in when going to the restroom?

a)

The Hallway Clipboard

b)

On the Exit Door

c)

You do not need to sign out for the restroom

d)

Both the clipboard and the exit door.

44.

You lose (a)   points for an incorrect heading.

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