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WorksheetsSemester 1 Exam Review
Total questions: 80
Worksheet time: 57mins
Name
Class
Date
1.
Why do we read the MSDS before using potentially hazardous materials?
a)
To assure we know how to use materials/chemicals safel
b)
To assure we know how to dispose of materials safely
c)
To assure we know what to do in the event of an accident involving the substance.
d)
All of these
2.
Holds objective lenses; Rotatates to change objectives
a)
Arm
b)
Base
c)
Revolving/Rotating Nosepiece
d)
Diaphragm
3.
Hold the slide in place on the stage
a)
Stage
b)
Stage Clips
c)
Aperature
d)
Light Source
4.
Moves the stage slightly to sharpen the image
a)
Body Tube
b)
Course Focus Knob
c)
Aperature
d)
Fine Focus Knob
5.
Regulates the amount of light on the specimen
a)
Diaphragm
b)
Aperature
c)
Ocular Lens
d)
Objective Lenses
6.
Lens used to view specimen; also called eyepiece
a)
Scanning Lens
b)
Objective Lens
c)
Ocular Lens
d)
Illuminator
7.
Lenses consist of low 4X, medium 10X, and high 40X
a)
Eyepiece
b)
Ocular Lens
c)
Objective Lenses
d)
Illuminators
8.
Place where slide is placed on while being viewed
a)
Base
b)
Stage Clips
c)
Diaphragm
d)
Stage
9.
Moves stage up and down for focusing; large amounts
a)
Fine Focus Knob
b)
Large Focus Knob
c)
Course Focus Knob
d)
Small Focus Knob
10.
Opening on stage that allows light to pass onto specimen
a)
Base
b)
Arm
c)
Body Tube
d)
Diaphragm
11.
What will be the total magnification if ocular lens is 10X and objective lens is 4X?
a)
4X
b)
40X
c)
10X
d)
100X
12.
What will be the total magnification if the ocular lens is 10X and the objective lens is 40X?
a)
40X
b)
10X
c)
100X
d)
400X
13.
Number 7
a)
Ocular Lens
b)
Objective Lens
c)
Base
d)
Arm
14.
Number 3
a)
Ocular Lens
b)
Objective Lens
c)
Diaphragm
d)
Base
15.
Number 8
a)
Base
b)
Stage
c)
Tube
d)
Arm
16.
Number 4
a)
Stages
b)
Arms
c)
Stage Clips
d)
Ocular Lens
17.
Number 5
a)
Knob
b)
Ocular Lens
c)
Diaphragm
d)
Objective Lens
18.
Number 6
a)
Insulator
b)
Objective Lens
c)
Ocular Lens
d)
Light
19.
Number 13
a)
Arm
b)
Light
c)
Base
d)
Stand
20.
The higher the magnification, the ________ you see of the specimen.
a)
more
b)
less
c)
higher
d)
lower
21.
What power do you start with when using a microscope?
a)
High
b)
Medium
c)
Low
22.
Never use this knob on high power.
a)
Fine
b)
Large
c)
Course
d)
Small
23.
If I move the slide away from me the image moves
a)
toward me
b)
to the left
c)
to the right
d)
away from me
24.
Which of the following is not one of the steps to the scientific method
a)
Asking a testable question
b)
Writing a hypothesis
c)
observe the experiment from a scientist
d)
Draw a conclusion
25.
What is the dependent variable?
a)
Variable that is changed
b)
Variable being measured
26.
The possible answer to the problem.
a)
Hypothesis
b)
Conclusion
c)
Data
d)
Experiment
27.
Recorded observations and measurements.
a)
Information
b)
Conclusion
c)
Hypothesis
d)
Data
28.
A scientific theory
a)
is always being revised
b)
explains patterns in nature
c)
is proven through experimental data
d)
doesn't exist
29.
Modern science is a body of knowledge based on observable evidence, reasoning, and repeated testing.
a)
true
b)
flase
30.
Any factor that can be changed in an experiment.
a)
Constant
b)
Data
c)
Variable
d)
Dependent variable
31.
Combining what your already know with new facts that you are given to decide if you should agree with something.
a)
Hypothesis
b)
Conclusion
c)
Critical thinking
d)
Research
32.
This is a rule that describes a pattern in nature.
a)
Scientific law
b)
Scientific theory
c)
Scientific investigation
d)
Scientific experiment
33.
An attempt to explain a pattern observed repeatedly in the natural world.
a)
Hypothesis
b)
Scientific law
c)
Scientific theory
d)
Data
34.
Which is an example of an observation ?
a)
He has brown hair
b)
He doesn't like me
c)
He is smart
d)
He looks handsome
35.
What is the definition for Peer Review ?
a)
A difference in the measured value and actual value in an experiment
b)
Repeating an experiment more than once to collect data
c)
Information acquired by observation or experimentation.
d)
Evaluation of scientific, academic, or professional work by others working in the same field.
36.
Which question is non-scientific?
a)
Why are roses the best flowers?
b)
Does the color of a rose affect how long it blooms?
c)
Will a rose plant bloom faster if it is fertilized?
d)
Do rose plants grow faster in higher temperatures?
37.
The first step to take a mass measurement of an object on a triple beam balance is to...
a)
move the large mass slider.
b)
place the object on the pan.
c)
move the small mass slider.
d)
zero the balance.
38.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
39.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
d)
Color of the plant's leaves
40.
What is a constant?
a)
the part of the experiment that is being changed by the scientest
b)
repeated tries of a experiment
c)
a part of the experiment that stays the same
d)
info you collected using instruments
41.
For a set of data that shows the percentage of something, the appropriate graph to represent that data would probably be...
a)
a pie graph.
b)
a bar graph.
c)
a line graph.
d)
a scatter plot.
42.
Which is natural science?
a)
Economics
b)
Ecology
c)
Anthropology
d)
None of these
43.
Social science includes the study of things you can touch
a)
True
b)
False
44.
Social science studies behavior.
a)
True
b)
False
45.
MSDS; Material Safety Data Sheets tell potential hazards like
a)
health
b)
fire
c)
environmental
d)
all of these
46.
What is the first step in any scientific procedure?
a)
Read the materials list.
b)
Gather materials.
c)
Put on protective wear.
d)
Taste the substances you are going to work with.
47.
Before the lab you MUST
a)
clarify any step of the procedure you do NOT understand.
b)
Read all lab instructions and complete pre-lab assignments
c)
all of these.
d)
dress appropriately.
48.
How many significant digits are in 30.00?
a)
1
b)
2
c)
3
d)
4
49.
Which is the Qualitative observation?
a)
Green Grass
b)
6 Kids
50.
Which is the Quantitative observation?
a)
1 dog
b)
red ball
51.
The vertical axis on a graph in also known as _____
a)
X
b)
A
c)
Y
d)
B
52.
When focusing the slide start with the ___________ power.
a)
highest
b)
middle
c)
whichever you think will work best
d)
lowest
53.
What can a scientist do to increase the reliability of an experiment?
a)
Write a conclusion
b)
Repeat the experiment multiple times
c)
Analyze data
d)
Change the hypothesis
54.
During an investigation, a student drops a glass beaker of water. What should the student do first?
a)
Have his partner sweep up the glass.
b)
Pick up the glass with a paper towel.
c)
Tell the teacher about the accident.
d)
Ignore the mess and continue with the experiment.
55.
The graduated cylinder reads _______.
a)
36.0
b)
36.5
c)
37.0
d)
36
56.
The mass on the triple beam balance is _______.
a)
272.0
b)
272.1
c)
2721
d)
272.5
57.
the volume of the object is ________
a)
65.0 ml
b)
40.0 ml
c)
cannot be determined.
d)
25.0 ml
58.
When evaluating the experiment we ask ___________________?
a)
Is our prediction supported?
b)
Was the procedure adequate?
c)
Was the procedure appropriate for our skills and equipment?
d)
all of these
59.
The number of significant digits represents ______________.
a)
The accuracy of our calculations.
b)
The precision of the measuring instrument.
c)
The accuracy of the measuring instrument.
d)
The scale of the graph or drawing.
60.
Conjugation occurs when ________________.
a)
None of these.
b)
a virus injects DNA into the bacterium.
c)
a plasmid is transferred from one bacteria to another.
d)
bacteria take up DNA from the environment.
61.
Transduction occurs when ________________.
a)
None of these.
b)
a virus injects DNA into the bacterium.
c)
a plasmid is transferred from one bacteria to another.
d)
bacteria take up DNA from the environment.
62.
Transformation occurs when ________________.
a)
None of these.
b)
a virus injects DNA into the bacterium.
c)
a plasmid is transferred from one bacteria to another.
d)
bacteria take up DNA from the environment.
63.
Viruses are said to be "on the edge of living" because viruses ____________________.
a)
have most of the characteristics of living things.
b)
are alive but cannot be killed.
c)
immitate life by taking over host cells.
d)
are bacteria.
64.
Lysis is _______________________.
a)
when the cell hosting a virus bursts.
b)
when a virus injects a host cell with its DNA.
c)
when the viral DNA is inactive.
65.
Scientists study viruses so that vaccines can be made. A vaccine ...
a)
is a cure.
b)
helps build the body's antibodies.
c)
both of these
d)
none of these.
66.
Most prokaryotes are
a)
bacteria
b)
single celled
c)
neither of these
d)
both of these
67.
A plasmid is
a)
A type of bacteria
b)
a type of archaea
c)
A small ring of DNA
d)
A virus
68.
The cycle of virus reproduction is called
a)
lilac cycle
b)
lytic cycle
c)
lysis
d)
cell cycle
69.
A virus is made of
a)
nucleic acid
b)
protein coat
c)
neither of these
d)
both of these
70.
Bacteria can form ________ to protect itself from harsh conditions.
a)
endospores
b)
armor
c)
spores
d)
mushrooms
71.
Bacteria that are decomposers ....
a)
make their own food.
b)
feed on other organisms
c)
feed on dead organisms
d)
none of these
72.
Bacteria that are consumers ....
a)
make their own food.
b)
feed on other organisms
c)
feed on dead organisms
d)
none of these
73.
The shape of bacteria help them ....
a)
move
b)
eat
c)
protect themselves
d)
all of the above
74.
How does the process of binary fission work in the asexual reproduction of bacteria?
a)
Two cells join to become one larger cell.
b)
One cell splits into two cells with identical DNA.
c)
DNA material from the environment is added to the cell.
d)
Bacteria can only reproduce via sexual reproduction, not asexual reproduction.
75.
How does a virus use a host to reproduce?
a)
The virus only uses a host cell for shelter; it does not use a host cell to reproduce.
b)
The host cell only provides the virus with the food it needs to reproduce on its own.
c)
The virus can replicate its own genetic material, but it uses the host for the process of conjugation.
d)
The host cell provides the virus with resources and shelter; its proteins replicate the genetic material of the virus.
76.
What type of organism can be found in extreme environments such as hot springs?
a)
viruses
b)
archaea
c)
eukaryotes
d)
None of these
77.
Almost all archaea have cell walls.
a)
true
b)
false
78.
Prokaryotes are organisms that ...
a)
Have a nucleus
b)
usually multi-celled.
c)
both of these
d)
none of these.
79.
A lab report should include a title page with the title of the lab, hypothesis, ....
Identify the item that does NOT belong on the title page
Identify the item that does NOT belong on the title page
a)
Your First and Last name
b)
Materials
c)
School
d)
Due Date
80.
Lab Notes are
a)
notes taken during the lab and included in the lab report.
b)
the materials, procedure, observations and data of the experiment.
c)
the notes used to write the formal lab report.
d)
all of these
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