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WorksheetsSemester Exam Review
Total questions: 48
Worksheet time: 2hrs 36mins
Name
Class
Date
1.
What piece of equipment is used to measure MASS?
a)
Ruler
b)
Graduated Cylinder
c)
Beaker
d)
Electronic balance
2.
Which variable is the one being MEASURED?
a)
Independent Variable
b)
Dependent Variable
3.
Which group in an experiment does NOT receive the independent variable?
a)
Control group
b)
Experimental group
4.
ALL living things are made of
a)
cells
b)
tissues
c)
organs
d)
organelles
5.
What is an organisms ability to maintain constant internal conditions necessary for life called?
a)
Stability
b)
Homeostasis
c)
Balance
d)
Equilibrium
6.
This scientist stated that all living things come from other living things
a)
Hooke
b)
Virchow
c)
Schwann
d)
van Leeuwenhoek
7.
8 legs is an example of what type of data?
a)
Quantitative
b)
Qualitative
8.
What is the independent variable in this experiment?
a)
Day
b)
Degrees in Fahrenheit
9.
Commensalism, mutualism and parasitism are all examples of what types of relationships?
a)
competition
b)
symbiosis
c)
rhythmic patterns
d)
succession
10.
S shaped growth curve is called
a)
logistic
b)
exponential
11.
A hypothesis is:
a)
A proven statement
b)
A testable possible explanation of an observation
c)
Always validated in an experiment
d)
Never going to change
12.
When should safety goggles be worn?
a)
When taking notes
b)
When heating a test tube
c)
When looking in a microscope
d)
When measuring water
13.
If you record the number of flowers in a field, would this be quantitative or qualitative data?
a)
Quantitative
b)
Qualitative
14.
What is the curve of the top of the liquid in a graduated cylinder called?
a)
meniscus
b)
pipette
c)
scalpel
d)
measuring line
15.
A relationship in which both organisms benefit is called?
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
16.
What is an example of a decomposer?
a)
moisture
b)
flower
c)
mushroom
d)
vulture
17.
The maximum number of individuals that an environment can support at any given time is called the:
a)
minimum
b)
population dynamics
c)
carrying capacity
d)
growth rate
18.
What is the dependent variable in this experiment?
a)
Day
b)
Degrees in Fahrenheit
19.
J shaped growth curve is called
a)
logistic
b)
exponential
20.
Which level of the food pyramid represents the largest number of organisms?
a)
tertiary consumers
b)
primary consumers
c)
producers
d)
secondary consumers
21.
A student performs an experiment on the effect of temperature on spinach plant growth. The height of the spinach plants at the end of the experiment is the:
a)
control
b)
independent variable
c)
dependent variable
d)
constant
22.
Which step comes first in the scientific method?
a)
Collect data
b)
Form a hypothesis
c)
Make an observation
d)
Perform the experiment
23.
Researchers testing new drugs usually give the drug to one group of people and give placebos, "sugar pills", to another group. The group receiving the sugar pills:
a)
Constitutes the experimental group
b)
Constitutes the experimental group
c)
Represents a control group
d)
Is a backup in case some of the people getting the drug drop out of the test
24.
Which one of the following is not one of the properties of life?
a)
metabolism
b)
homeostasis
c)
responsiveness
d)
photosynthesis
25.
A relationship in which one organism obtains its nutrients from another; the other organism may weaken due to deprivation
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
26.
Which microorganism turns nitrogen gas (N2) into ammonia (NH4+)?
a)
Denitrifying bacteria
b)
Nitrifying bacteria
c)
Nitrogen fixing bacteria
d)
Detritus
27.
Secondary succession occurs:
a)
As one generation replaces the previous one
b)
After a forest fire
c)
After a glacier retreats
d)
After a food web is established
28.
This scientist coined the term cells
a)
Virchow
b)
Hooke
c)
Schwann
d)
van Leeuwenhoek
29.
Strong acids have a pH of?
a)
1-3
b)
4-6
c)
8-10
d)
12-14
30.
Which of the following is NOT a function of proteins?
a)
Biological catalysts
b)
Building body structures like hair and nails
c)
Insulation
d)
Immune system
31.
Data described using numbers is quantitative data
a)
True
b)
False
32.
Water sticking to water is called?
a)
Cohesion
b)
Adhesion
c)
Capillary action
d)
Surface tension
33.
What % of the producer's energy is available to a primary consumer?
a)
1%
b)
10%
c)
100%
d)
0.1%
34.
A relationship in which one organism benefits, and the other organism is neither harmed nor benefits.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
35.
In a controlled experiment, the variable that is changed to test the hypothesis is called the –
a)
controlled variable
b)
responding variable
c)
dependent variable
d)
independent variable
36.
What is the monomer/subunit of a protein?
a)
Nucleotide
b)
Monosaccharide
c)
Amino Acid
d)
Disaccharide
37.
Muscles require a large amount of energy to move the human body. Which organelle would be found in abundance in muscles cells?
a)
chloroplast
b)
mitochondria
c)
golgi body
d)
ribosomes
38.
Enzymes only work with specific substrates because each substrate —
a)
Actively interferes with other substrates around it
b)
Destroys its specific enzyme
c)
Can only use a specific ionic bond with the enzyme
d)
Matches the shape of the active site of its enzyme
39.
An animal cell with a concentration of 1% salt is placed in a solution of 20% salt while you observe it with a microscope. As you examine the cell, you would expect to see the cell to:
a)
burst
b)
swell
c)
shrink
d)
remain the same
40.
The process of cellular respiration:
a)
Breaks down food molecules to release stored energy
b)
Is performed only by organisms that are incapable of photosynthesis
c)
Occurs only in plant cells
d)
Occurs before plants are able to continue photosynthesis
41.
This scientist said animals are made of cells
a)
Hooke
b)
Virchow
c)
Schleiden
d)
Schwann
42.
The major gas by-product released by photosynthesis is
a)
Nitrogen
b)
oxygen
c)
water
d)
carbon dioxide
43.
During DNA replication, a complementary strand of DNA is made from each original DNA strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will be
a)
AAGTATC
b)
GGATCGA
c)
CCTAGCT
d)
TTGCATG
44.
Aqueous homeostasis is maintained in all organisms through the action of which cell structure?
a)
Endoplasmic reticulum
b)
cell wall
c)
cell membrane
d)
cytoplasm
45.
A red blood cell that is placed in distilled water will swell and burst because of the diffusion of
a)
Salt from the red blood cell into the water
b)
Water into the red blood cell
c)
Water from the blood cell into its environment
d)
Salt from the water into the red blood cell
46.
The regular progression of species replacement in a developing ecosystem is called
a)
stability
b)
competition
c)
niche
d)
succession
47.
Before performing an experiment you should research the topic and educate yourself. What is the best source for you to use?
a)
newspaper tabloid
b)
TV news
c)
speeches
d)
scientific journals
48.
Your friends return from a canoe trip on the lake and they are dripping wet. What inference might you make?
a)
Their clothes are wet
b)
They are tired
c)
Their canoe tipped over
d)
They are skillful at canoeing
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