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WorksheetsGen Sci Final Review
Total questions: 53
Worksheet time: 27mins
Name
Class
Date
1.
Which statement best describes a controlled experiment?
a)
It eliminates the need for dependent variables
b)
It shows the effect of a dependent variable on an independent variable
c)
It avoids the use of variables
d)
It tests the effect of a single independent variable
2.
Diagrams, tables, and graphs are used by scientist mainly to
a)
design a research plan for an experiment
b)
test a hypothesis
c)
organize data
d)
predict the independent variable
3.
Which statement about the use of independent variables in a controlled experiment is correct?
a)
a different independent variable must be used each time an experiment is repeated
b)
independent variable must involve time
c)
Only one independent variable is used is used for each experiment
d)
the independent variables state the problem being tested
4.
Which statement illustrates a biotic resource interacting with an abiotic resource?
a)
a rock moves during an earthquake
b)
a sea turtle transports a pilot fish to food
c)
a plant absorbs light which is used for photosynthesis
d)
a wind causes waves to form on a lake
5.
Which mineral property is being tested in the picture?
a)
hardness
b)
streak
c)
cleavage
d)
color
6.
Which mineral property is shown in the picture?
a)
hardness
b)
streak
c)
cleavage
d)
color
7.
Which mineral property is being tested in the picture?
a)
hardness
b)
streak
c)
cleavage
d)
color
8.
Using your mineral reference table, which mineral leaves a green-black streak when rubbed against an unglazed porcelain plate?
a)
galena
b)
graphite
c)
pyrite
d)
hematite
9.
Which mineral has a metallic luster, a black streak, and is in ore of iron?
a)
galena
b)
magnetite
c)
pyroxene
d)
graphite
10.
The mineral graphite is often used as
a)
a lubricant
b)
an abrasive
c)
a source of iron
d)
a cementing material
11.
Rocks are classified as igneous, sedimentary, or metamorphic based primarily on
a)
texture
b)
crystal or grain size
c)
method of formation
d)
mineral composition
12.
What is the main function of the vacuole?
a)
storage
b)
coordination
c)
synthesis of molecules
d)
release of energy
13.
An organelle that releases energy for metabolic activity in a nerve cell is the
a)
chloroplast
b)
ribosome
c)
mitochondrion
d)
vacuole
14.
Which cell structure is correctly paired with its primary function?
a)
ribosome - protein synthesis
b)
vacuole - production of genetic material
c)
nucleus - carbohydrate synthesis
d)
mitochondrion - waste disposal
15.
The term organelle best describes
a)
process
b)
function
c)
cell structures
d)
rate
16.
Which letter indicates a cell structure that directly controls the movement of molecules into and out of the cell?
a)
A
b)
B
c)
C
d)
D
17.
The largest amount of DNA in a plant cell is contained in
a)
a nucleus
b)
a chromosome
c)
a protein molecule
d)
an enzyme molecule
18.
The process illustrated occurs within
a)
chloroplast
b)
mitochondria
c)
ribosomes
d)
vacuoles
19.
What process is illustrated in the equation
a)
chloroplast
b)
mitochondria
c)
photosynthesis
d)
respiration
20.
What term best describes the word process?
a)
action
b)
structure
c)
function
d)
composition
21.
What process occurs in the organelle shown?
a)
chloroplast
b)
mitochondria
c)
respiration
d)
photosynthesis
22.
Which diagram best represents the levels of organization in the human body?
a)
1
b)
2
c)
3
d)
4
23.
What organelle is shown in the picture?
a)
chloroplast
b)
mitochondria
c)
ribosome
d)
nucleus
24.
What process occurs in this organelle?
a)
chloroplast
b)
mitochondria
c)
photosynthesis
d)
respiration
25.
What process is illustrated in the picture?
a)
chloroplast
b)
mitochondria
c)
photosynthesis
d)
respiration
26.
Which body system is correctly paired with its function?
a)
excretory - produces antibodies to fight
b)
digestive - produces hormones for storage and insulation
c)
circulatory - transports materials for energy release in the body
d)
respiratory - collects waste material for digestion
27.
Which phrase is an example of autotrophic nutrition?
a)
a cow eating grass in a field
b)
an apple making its own food
c)
a mushroom digesting a dead log
d)
a tapeworm feeding in the body of a dog
28.
Autotrophs might survive when heterotrophs cannot, because autotrophs are able to
a)
reproduce asexually
b)
exist without respiration
c)
become dormant
d)
make their own food
29.
Which sequence shows a correct pathway for the flow of energy in a food chain?
a)
bacteria ->grass -> fox -> owl
b)
grass -> grasshopper -> frog -> snake
c)
fungi -> beetle -> algae -> mouse
d)
algae -> snake -> duck -> deer
30.
The diagram illustrates the relationships between organisms in an ecosystem. In addition to sunlight, which factor would need to be added to make this a stable ecosystem?
a)
predators
b)
prey
c)
decomposers
d)
herbivores
31.
Which statement best describes the role of decomposers?
a)
they convert carbon dioxide and water into glucose
b)
they break down organic compounds into products used by other orgnisms
c)
they release oxygen into the atmosphere
d)
they provide energy for the synthesis of proteins
32.
Which type of model provides the most complete representation of the feeding relationships within a community?
a)
a material cycle
b)
a food chain
c)
a predator-prey association
d)
a food web
33.
If the population of grasshoppers is reduced by disease, which change will most likely occur in the food web?
a)
the ant population will increase
b)
the grasses will decrease
c)
the mouse population will increase
d)
the ant population will decrease
34.
An environment can support only as many organisms as the available energy, minerals, and oxygen will allow. Which term is best described be this statement?
a)
biological feedback
b)
carrying capacity
c)
homeostatic control
d)
biological diversity
35.
An environment can support only as many organisms as the available energy, minerals, and oxygen will allow. Which term best describes these resources?
a)
biological feedback
b)
biotic factors
c)
abiotic factors
d)
biological diversity
36.
One biotic factor that limits the carrying capacity of any habitat is the
a)
availability of water
b)
activity of decomposers
c)
level of atmospheric oxygen
d)
amount of soil erosion
37.
The dashed line on the graph represents the
a)
level of maximum biodiversity of the species
b)
level of extinction is reached
c)
life span of the species
d)
carrying capacity of the environment
38.
What tool is used by scientist to identify and classify organisms?
a)
microscope
b)
data table
c)
dichotomous key
d)
graph
39.
Identify one process that is carried out in plant cells that is not carried out in animal cells.
a)
respiration
b)
photosynthesis
c)
chloroplast
d)
mitochondria
40.
Cell structures found only in plant cells
a)
nucleus and vacuole
b)
cell wall and chloroplast
c)
cell wall and mitochondria
d)
chloroplast and ribosomes
41.
What is the independent variable on the graph?
a)
temperature
b)
number of trees
c)
age in years
d)
population
42.
What is the dependent variable on the graph?
a)
temperature
b)
number of trees
c)
age in years
d)
population
43.
What is the independent variable on the data table?
a)
Name of cereal
b)
amount of iron
c)
fruit loops
d)
corn pops
44.
What is the dependent variable on the data table?
a)
Name of cereal
b)
amount of iron
c)
fruit loops
d)
corn pops
45.
You have been assigned to design an experiment to determine the effects of chewing gum on memory. What is the IV?
a)
memory
b)
chewing gum
c)
effects
d)
experiment
46.
You have been assigned to design an experiment to determine the effects of chewing gum on memory. What is the DV?
a)
memory
b)
chewing gum
c)
effects
d)
experiment
47.
You have been assigned to design an experiment to determine the effects of chewing gum on memory. What is the data to be collected?
a)
memory
b)
chewing gum
c)
effects
d)
experiment
48.
You are designing an experiment to determine the effects of water on the growth of tomato plants. What is the IV?
a)
growth of tomato plants
b)
tomato plants
c)
water
d)
effect
49.
You are designing an experiment to determine the effects of water on the growth of tomato plants. What is the DV?
a)
growth of tomato plants
b)
tomato plants
c)
water
d)
effect
50.
You are designing an experiment to determine the effects of water on the growth of tomato plants. What is an appropriate hypothesis?
a)
What is the effect of water on plant growth?
b)
How do plants grow?
c)
If we give the plant more water then it will grow more
d)
I like plants
51.
One reason plants form the base of the pyramid
a)
they eat other organisms
b)
they are predators
c)
they make their own food
d)
they break down dead organisms
52.
Which term best describes the grasshoppers?
a)
producer
b)
parasite
c)
carnivore
d)
consumer
53.
Explain why each level of the pyramid decreases in area from bottom to top
a)
Energy is lost as you move up
b)
consumers do not make energy
c)
carnivore do not need energy
d)
the largest population is found at the top
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