Download A) changed directly into proteins B) transported out of the leaves

1. An iodine test of a tomato plant leaf revealed that
starch was present at 5:00 p.m. on a sunny afternoon
in July. When a similar leaf from the same tomato
plant was tested with iodine at 6:00 a.m. the next
morning, the test indicated that less starch was
present. This reduction in starch content most likely
occurred because starch was
7. Which life process is indicated by the arrows in the
diagram of an amoeba shown below?
A) changed directly into proteins
B) transported out of the leaves through the guard
cells
C) transported downward toward the roots through
tubes
D) changed into simple sugars
2. Every single-celled organism is able to survive
because it carries out
A)
B)
C)
D)
metabolic activities
autotrophic nutrition
heterotrophic nutrition
sexual reproduction
3. In which process are simple materials chemically
combined to form more complex materials?
A) synthesis
C) hydrolysis
B) pinocytosis
D) cyclosis
4. Which process is a form of autotrophic nutrition?
A) transport
C) fermentation
B) regulation
D) photosynthesis
5. Which life process is classified as autotrophic in some
organisms and heterotrophic in other organisms?
A)
B)
C)
D)
hormonal regulation
nutrition
anaerobic respiration
transport
6. Bumblebees show some ability to control their own
body temperature. During cold weather, bumblebees
have been observed warming their flight muscles by
shivering. The bees are able to maintain a body
temperature several degrees above that of the
surrounding air. Regulation of their internal body
temperature is an example of
A) diffusion
C) respiration
B) synthesis
D) homeostasis
A) digestion
C) fermentation
B) excretion
D) transport
8. When heating a solution in a test tube, a student
should
A)
B)
C)
D)
point the test tube in any direction
hold the test tube with two fingers
cork the test tube
wear goggles
9. A mineral supplement designed to prevent the flu was given to two groups of people during a scientific
study. Dosages of the supplement were measured in milligrams per day, as shown in the table below.
After 10 weeks, neither group reported a case of the flu. Which procedure would have made the
outcome of this study more valid?
A)
B)
C)
D)
test only one group with 200mg of the supplement
test the supplement on both groups for 5 weeks instead of 10 weeks
test a third group that receives 150mg of the supplement
test a third group that does not receive the supplement
Base your answers to questions 10 through 12 on the information below and on your knowledge of
biology.
An experiment was carried out to answer the question "Does the pH of water affect the growth
of radish plants?" Two groups of ten radish plants were set up. One group was watered with water
having a pH of 3.0, and the other group was watered with water having a pH of 7.0. Both groups
of plants received the same amount and intensity of light, the same amount of water, and they
were grown in the same type of soil. The heights of the radish plants were measured every 2 days
for a period of 2 weeks.
10. Which activity might help to increase the validity of this experiment?
A)
B)
C)
D)
repeating the experiment several times
using two different types of radish seeds in each group
using the same pH for both groups of plants
placing one set of plants in sunlight and one in darkness
11. What was the dependent variable in this experiment?
A) heights of the plants
C) temperature of the water
B) pH of the water
D) type of soil
12. Which sentence is a possible hypothesis that was tested in this experiment?
A)
B)
C)
D)
Does the pH of water affect the growth of radish plants?
Will the amount of water alter the heights of the radish plants?
The temperature of the water will affect the heights of the radish plants.
The pH of the water will affect the heights of the radish plants.
13. Base your answer to the following question on
the information below and on your knowledge of biology.
Euglena are single-celled organisms that live in ponds. All euglena have chloroplasts and can
make their own food. They can also take in food from the environment. The diagram below
represents a euglena.
An experiment was set up to determine the effect of nitrates, a pollutant, on the number of
chloroplasts present in euglena. Five tanks were set up, each with euglena and a different
concentration of nitrate solution: 0%, 0.5%, 1.0%, 1.5%, and 2.0%.
The tanks were placed in a sunny location where each tank received the same amount of light.
Which statement correctly identifies a variable in this experiment?
A)
B)
C)
D)
The independent variable is the concentration of nitrate solution used.
The dependent variable is the number of euglena placed in the tanks.
The independent variable is the amount of sunlight.
The dependent variable is the number of tanks used.
14. A company that manufactures a popular multivitamin wanted to determine whether their
multivitamin had any side effects. For its initial study, the company chose 2000 individuals to take
one of their multivitamin tablets per day for one year. Scientists from the company surveyed the
participants to determine whether they had experienced any side effects. The greatest problem with
this procedure is that
A) only one brand of vitamin was tested
C) the sample size was not large enough
B) the study lasted only one year
D) no control group was used
15. Conclusions based on an experiment are most likely
to be accepted when
A) they are consistent with experimental data
and observations
B) they are derived from investigations having
many experimental variables
C) scientists agree that only one hypothesis has
been tested
D) hypotheses are based on one experimental
design
16. Diagrams, tables, and graphs are used by scientists
mainly to
A)
B)
C)
D)
design a research plan for an experiment
test a hypothesis
organize data
predict the independent variable
17. Structures in an animal cell are represented in the diagram below.
Which row in the chart correctly identifies the functions of structures A, B, and C?
A) 1
B) 2
C) 3
18. Which cell structure is mainly responsible for
releasing energy from food molecules in some
single-celled organisms?
A) ribosome
C) cell membrane
B) chloroplast
D) mitochondrion
D) 4
19. A land-dwelling organism, A, and an aquatic
single-celled organism, B, are represented below.
22. Which organelles must be present within a cell of a
geranium leaf for respiration and photosynthesis to
occur?
A)
B)
C)
D)
cell wall and lysosome
mitochondrion and chloroplast
centrosome and nucleus
endoplasmic reticulum and ribosome
23. Within a cell, where is the DNA chiefly found?
A) cell wall
C) ribosomes
Which statement best explains how A and B are able
to survive in their environments?
A) The organelles in B perform similar
functions to the organ systems in A.
B) The transport system in B is more complex than
the transport system in A.
C) Both A and B take in oxygen from the water.
D) Only A can pass on traits to offspring.
20. The letters in the diagram below indicate some parts
of a cell.
The function of which cell part is most similar to
that of the human excretory system?
A) A
B) B
C) C
21. The nucleus is the cell as
A)
B)
C)
D)
the bones are to a human
the heart is to human
the muscles are to a human
the brain is to a human
D) D
B) plasma membrane
D) nucleus
24. Which diagram best illustrates the relationship between the number of cells, tissues, and organs in a
complex multicellular organism?
A)
B)
C)
D)
25. Which activity might lead to damage of a
microscope and specimen?
A) cleaning the ocular and objectives with lens
paper
B) focusing with low power first before moving
the high power into position
C) using the coarse adjustment to focus the
specimen under high power
D) adjusting the diaphragm to obtain more light
under high powe
Base your answers to questions 27 and 28 on
the diagram of a microscope below and on your
knowledge of biology.
26. A slide of human blood cells was observed in focus
under the low-power objective of a compound light
microscope that had clean lenses. When the
microscope was switched to high power, the image
was dark and fuzzy. Which parts of the microscope
should be used to correct this situation?
A)
B)
C)
D)
nosepiece and coarse adjustment
diaphragm and ocular
objective and fine adjustment
diaphragm and fine adjustment
27. State two ways the image seen through the
microscope differs from the actual specimen being
observed.
28. Information about which two lettered parts is needed
in order to determine the total magnification of an
object viewed with the microscope in the position
shown?
29. The total magnification of an image formed by a
compound light microscope is a result of the
combined magnifications of the
A)
B)
C)
D)
eyepiece and diaphragm
objective and mirror
eyepiece and objective
low-power objective and high-power objective
30. What is the lowest possible magnification that can be
obtained using the microscope shown below?
A) 20×
B) 200× C) 40×
D) 800×
31. What is the highest magnification that can be
obtained with a microscope that has a 10× eyepiece
with 10× and 43× objectives?
A) 43×
C) 430×
B) 100×
D) 4300×
32. A compound microscope has four objectives labeled
4×, 10×, 43×, and 97× . Which objective, when used
in combination with a 10× ocular lens, provides the
largest field of view?
A) 97×
B) 43×
C) 10×
D) 4×
33. A student lifted weights after school and found that his muscles started to burn. He couldn't continue
to lift the weights after prolonged exercising. This muscle fatigue is most likely due to
A)
B)
C)
D)
the heart beating too fast and tiring out
the lungs accumulating oxygen
lack of oxygen and build up of waste in the muscles
lack of carbon dioxide in the muscles
34. Base your answer to the following question on the information below and on your knowledge of
biology.
Five individuals had their pulses taken in beats per minute (bpm) before and after exercise. The
data are shown in the chart below.
State one reason why an individual's pulse rate increased during exercise.
35. In an experiment to determine the effect of exercise on pulse rate, a student checks his pulse rate
before and after exercising for several minutes. The purpose of checking his pulse rate before
exercising is that it
A)
B)
C)
D)
serves as the conclusion for the experiment
is needed to justify the sample size
serves as a control for the experiment
is needed to formulate a hypothesis
36. Base your answer to the following question on the information and graph below and on your
knowledge of biology.
Students were asked to design a lab that investigated the relationship between exercise and
heart rate. Heart rate was determined by recording the pulse rate in beats per minute. The students
hypothesized that increased exercise results in an increased heart rate. The class results for the
experiment are shown in the graph below.
The change in heart rate that occurs between 1 and 5 minutes of exercise is an adaptation that
A)
B)
C)
D)
reduces the rate at which oxygen is carried to the muscle cells
increases the rate at which carbon dioxide is carried to the muscle cells
results in the production of more ATP in muscle cells
slows the destruction of enzymes involved in respiration of muscle cells
37. Base your answer to the following question on on the information below and on your knowledge of
biology.
An investigation is carried out to determine the effect of exercise on the rate at which a person
can squeeze a clothespin
In this investigation, the independent variable is the
A) control
C) rate of squeezing
B) exercise
D) number of participants
38. As it grows from a seed to a mature plant, a plant
will grow taller and thicker. Which are abiotic
factors most responsible for the increase in the mass
of the plant?
A)
B)
C)
D)
water, minerals, bacteria
sunlight, oxygen, plant receptors
minerals, water, plant enzymes
water, sunlight, carbon dioxide
39. A finite resource in the environment that keeps a
population from steadily increasing is known as
A)
B)
C)
D)
dynamic equilibrium
a limiting factor
a reproductive enzyme
ecological successsion
40. Base your answer to the following question on the information below and on your knowledge of
biology. The graph below shows the growth of Paramecium aurelia in the same culture dish for 14
days.
In another experiment, a second species of paramecium was introduced into a culture dish with
Paramecium aurelia. Which statement describes a possible result as the populations interact over the
next 14 days?
A) The population numbers of Paramecium aurelia would be lower than 250, since the new
species is competing with it for resources.
B) The population of Paramecium aurelia would increase above 250, since they would mate with
the new species.
C) The population of Paramecium aurelia would increase above 250, since the two species occupy
the same niche.
D) The population of Paramecium aurelia would remain at 250, since the species compete with
each other for the same resources.
Base your answers to questions 41 and 42 on the graph below and on your knowledge of biology. The
graph shows the growth of a population of rabbits in a specific ecosystem.
41. Over a period of time, the location of the dashed line would move from location B to location C on
this graph if
A) the birthrate of the rabbit population was equal to the death rate of the rabbit population
B) there was a decrease in the number of rabbit predators and an increase in the availability of
plants
C) there was a decrease in the availability of minerals, water, and shelter
D) the entire rabbit population rnigrated to a new ecosystem containing more autotrophs
42. Which environmental factor could have caused the change indicated at A?
A) increased predation by herbivores
C) increased number of decomposers
B) increased availability of food
D) increased competition among carnivores
43. Which statement best describes an ecosystem
maintaining a state of approximate equilibrium?
A) Nutrients from decayed organisms are
recycled in a forest ecosystem.
B) All the frog species in a South American rain
forest become extinct.
C) A mutation spreads through a species of
bacterium, making them unable to decompose
wastes.
D) Mice are released into a field ecosystem as food
for a declining predator population
44. A scientist was studying a population of fish in a
pond over a period of 10 years. He observed that the
population increased each year for 3 years, and then
remained nearly constant for the rest of the study.
The best explanation for this observation is that the
population had
A)
B)
C)
D)
stopped reproducing
reached carrying capacity
mutated into a different species
run out of food and migrated to a different pond
45. Which statement best describes bat populations in a
stable ecosystem?
A) They are held in check by environmental
factors.
B) They are producers that rely indirectly on other
producers.
C) They are not limited by natural predators.
D) They are not dependent on other species.
46. Abiotic factors that affect the growth of grass in a
lawn include
A)
B)
C)
D)
bacteria and soil
earthworms and nutrients
moisture and minerals
fertilizer and decomposers
47. One biotic factor that affects consumers in an ocean
ecosystem is
A)
B)
C)
D)
number of autotrophs
temperature variation
salt content
pH of water
48. Which statement describes all stable ecosystems?
A) Herbivores provide energy for the autotrophs,
B) The populations of predators are dependent
on the populations of their prey.
C) The number of autotrophs equals the number of
heterotrophs.
D) Consumers synthesize ATP from light energy.
49. Which ecological term includes everything
represented in the illustration below?
A) community
C) population
B) ecosystem
D) species
50. Base your answer to the following question on the diagram of a lake ecosystem below and on your
knowledge of biology. the diagram shows a cross section of a deep lake. the dashed line which
separates level A from level B indicates the depth beyond which light cannot penetrate
Which type of organism that ordinarily inhabits a lake ecosystem would not be found in level B
because of the lack of light penetration?
A) decomposers
B) scavengers
C) carnivores
51. The diagram below represents a food pyramid in an
ecosystem.
The best explanation for the decrease in the amount
of energy transferred to each succeeding level is that
much of the energy is
A)
B)
C)
D)
consumed by predators
released as heat
stored within inorganic materials
used in photosynthesis
D) producers
52. A food web is represented below.
Which organism would receive the least amount of transferred solar energy?
A) grasses
B) owls
C) frogs
D) field mice
Base your answers to questions 53 and 54 on
the diagram below and on your knowledge of biology. The diagram represents a food web.
53. Which statement correctly describes interactions between organisms in this ecosystem?
A)
B)
C)
D)
Hawks are predators of insect-eating birds, but not of seed-eating birds.
Hawks and snakes prey on both rabbits and grasshoppers.
Rabbits and mice compete for both grasses and flower seeds.
Grasshoppers and mice compete for grasses, but not flower seeds.
54. What do the arrows in the diagram represent?
A) an increase in population
C) the flow of energy
B) the evolution of organisms
D) ecological succession
55. Base your answer on the energy pyramid below and
on your knowledge of biology.
Letter A in the pyramid represents
A) scavengers
C) carnivores
B) producers
D) herbivores
56. Base your answer to the following question on the diagram below and on your knowledge of biology,
The diagram represents an energy pyramid for an ecosystem in the Australian outback.
Which two organisms could have a predator-prey relationship?
A) kookaburras and gum trees
C) dingos and kangaroo grasses
B) kangaroos and silky mice
D) wedge-tailed eagles and wombats
57. Base your answer to the following question on the diagram below, which represents a pond food web,
and on your knowledge of biology.
Which energy pyramid most accurately shows the energy relationships between three organisms in
this food web?
A)
B)
C)
D)
58. The amounts of all the organisms present in four
different aquariums are shown below. Which
aquarium would be the most stable?
A)
60. The three graphs below show the population changes
in two species of single-celled organisms that have
been grown separately and together in identical
environments.
B)
C)
D)
59. Which statement best describes a situation where
competition occurs in an ecosystem?
A)
B)
C)
D)
A deer outruns an attacking wolf.
A deer, during the winter, consumes tree bark.
A deer and rabbit consume grass in a field.
A deer and a rabbit are both startled by a hawk
flying overhead.
Which term is the most closely associated with the
changes in relative population size shown in graph C
?
A)
B)
C)
D)
mutation
artificial selection
genetic engineering
competition
61. Base your answer to the following question on
the information below and on your knowledge of
biology.
Analysis of a sample taken from a pond showed
variety in both number and type of organisms
present. The data collected are shown in the table
below.
64. Given the food chain below:
wheat plants ® rabbits ® coyotes ® mosquitoes ®
bats
Secondary consumers in this food chain include
A)
B)
C)
D)
wheat plants and rabbits
rabbits and coyotes
coyotes and mosquitoes
wheat plants and bats
65. A relationship between a consumer and producer is
best illustrated by a
A)
B)
C)
D)
If the frogs feed on insect larvae, what is the role of
the frogs in this pond ecosystem?
A) herbivore
C) consumer
B) parasite
D) host
62. Because turkey vultures feed mainly on animals that
they have not killed, they are known as
A) predators
C) omnivores
B) scavengers
D) autotrophs
63. The diagram below represents a food web.
Which organisms are primary consumers?
A)
B)
C)
D)
grass, mice, and hawks
owls, snakes, and hawks
seeds, grass, and shrubs
songbirds, mice, and rabbits
snake eating a bird
tree absorbing minerals
fungus breaking down wastes
deer eating grass
66. The diagram below represents a food chain made up of organisms found in a field.
Which row in the chart correctly identifies characteristics that can be associated with the members of
this food chain?
A) 1
B) 2
C) 3
D) 4
67. Base your answer to the following question on the diagram below and on your knowledge of biology.
The diagram represents part of a food web.
Which population would be most immediately affected by the removal of the lizard population?
A) sedges
B) algae
C) ants
D) centipedes
68. The diagram below represents interactions that occur
between some organisms in an ecosystem.
Which factor would most likely cause an increase in
the number of frogs?
A)
B)
C)
D)
an increase in the number of deer
a decrease in the amount of grasses
an increase in the number of snakes
a decrease in the amount of trees
69. Base your answer to the following question on
the diagram of a food web below.
Which organisms are not shown in this diagram but are essential to a balanced ecosystem?
A) heterotrophs
B) autotrophs
C) producers
D) decomposers
Base your answers to questions 70 through 72 on the information and data table below.
A biology student performed an experiment to determine which of two species of single-celled
organisms would survive best when cultured together in a certain environment. The student placed
10 organisms of each species into a large test tube. Throughout the experiment, the test tube was
maintained at 30°C. After the test tube was set up, the population of each species was determined
each day for 5 days. The data collected are shown in the table below. Using the information in the
data table, construct a line graph on graph paper.
70. a Mark an appropriate scale on each labeled axis.
b Plot the data for species A on the grid. Surround each point with a small circle and connect the
points.
c Plot the data for species B on the grid. Surround each point with a small triangle and connect the
points.
71. The difference in the population sizes on the fifth day most likely resulted from
A) temperature changes
C) competition between species
B) variations in light intensity
D) the buildup of nitrogen gas
72. Based on the daily counts, on which day did it first become evident that one species was better
adapted than the other species for survival in the environment provided?
Base your answers to questions 73 through 77 on the passage below.
Some poinsettia plants have green leaves that turn red. A garden club decided to study the
color change of poinsettia plants. Knowing that poinsettias change color during the short daylight
periods of winter, they decided to investigate the effect of different daylight lengths on color
change.
Design a controlled experiment using three experimental groups that could be used to determine if the
number of hours of daylight has an effect on the color change of poinsettias.
73. Describe experimental results that would support your hypothesis.
74. Identify the dependent variable in the experiment.
75. Identify two factors that must be kept the same in all three groups.
76. State one way the three experimental groups would differ.
77. State one hypothesis the experiment would test.
Answer Key
Quarter 1 Review packet
1.
D
2.
A
3.
A
4.
D
5.
B
6.
D
7.
D
8.
D
9.
D
35.
C
10.
A
36.
C
11.
A
37.
B
12.
D
38.
D
13.
A
39.
B
14.
D
40.
A
71.
C
15.
A
41.
C
72.
day 4
16.
C
42.
B
73.
17.
A
43.
A
18.
D
44.
B
19.
A
45.
A
20.
A
46.
C
21.
D
47.
A
22.
B
48.
B
23.
D
49.
B
24.
D
50.
D
25.
C
51.
B
26.
D
– The hypothesis
would be supported
if only the plants
exposed to less than
10 hours of daylight
change color and
those exposed to
more hours of
daylight do not
change color. – All
of the plants
changed color/none
of the plants
changed color.
74.
– leaf color, –
whether or not color
changes
75.
– temperature,
–amount of
water/fertilizer, –
soil condition, –
age/size of plants
27.
28.
34.
— More nutrients
are used when
muscle cells are
more active. —
Muscle cells use
more oxygen. — to
help maintain
homeostasis — A
faster pulse rate will
remove waste more
rapidly.
52.
B
— enlarged —
upside down —
backward — more
detail
53.
D
54.
C
55.
B
A and C
56.
D
29.
C
57.
B
30.
B
58.
A
31.
C
59.
C
32.
D
60.
D
33.
C
61.
C
62.
B
63.
D
64.
C
65.
D
66.
C
67.
C
68.
C
69.
D
70.
76.
– One group gets
less than 10 hours of
daylight, one more
than 12 hours of
daylight, and one 11
hours of daylight. –
exposure to different
lengths of daylight
77.
– If plants are
exposed to fewer
than 11 hours of
daylight, then they
will change color. –
The number of hours
of daylight will have
no effect on color
change.