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FINAL REVIEW: PLANTS
1. The diagram below shows a cell. This cell
would be found in which type of organism?
(1) animals
(2) fungi
4. The diagram below gives information about
carbon dioxide and oxygen in the atmosphere.
(3) viruses
(4) plants
2. The diagram shows a model of plant
reproduction.
The seeds shown on the plant are produced as a
result of
(1) ecological succession
(2) hibernation
(3) fertilization
(4) genetic engineering
What is the name of the process represented in this
diagram that produces the oxygen?
(1) photosynthesis
(3) respiration
(2) metamorphosis
(4) fertilization
3. The diagram below represents a bean seed that has
been cut in half to show its various structures.
Which letter represents the stored food that the
new plant will use for early development?
(1) A (2) C (3) B (4) D
A- SEED COAT
B- ENDOSPERM / COTYLDON
C- HILUM
D- EMBRYO
5. Identify two structures labeled in the diagram,
other than the large vacuole, that indicate this cell is
a plant cell.
CHLOROPLAST.
a. ____________________________________
CELL WALL
b. ___________________________________
6. Which observation of a plant supports the
inference that photosynthesis can take place?
(1) a strong, sweet smell
(2) a dry, rough texture
(3) a green color
(4) a smooth stem
*Base your answers to questions 7 – 11 on the information and graph below.
A gardener performs an experiment growing three types of plants in equal amounts of soil. Three
different types of plants are used. Each plant is 10 centimeters tall at the beginning of the experiment.
The three plants are given 4 milliliters of water every day for 20 days. The results of the experiment
are shown on the graph.
7. Which plant was the tallest at the end of
the 20-day period?
PLANT 2
8. Other than at the beginning of the
experiment, on what day were plant 2 & 3
the same height? __________
DAY 16
9. Which plant grew at the slowest rate
from day 0 to day 5? _________
PLANT 1
10. During which time interval did plant 1
become taller than plant 3?
(1) days 0–5
(2) days 10–15
(3) days 5–10
(4) days 15–20
11. The gardener repeated the experiment using identical conditions. Plant 1 grew the fastest. Suggest one
change to the experimental design that would help the gardener decide which plant really grows fastest.
START WITH SEEDS BECAUSE THE PLANTS WERE ALREADY
_____________________________________________________________________________________
10 CM TALL IN THE FIRST EXPERIMENT.
12. The diagram below shows a leaf that has been partially covered with black paper for three days.
When the black paper is removed, the area that was
covered by the paper has turned white. The white section
of the leaf tests negative for the presence of sugar and the
green section tests positive for the presence of sugar.
Explain why the white and green sections of the leaf have
different sugar test results.
_____________________________________________________________________________________
THE WHITE SECTION DID NOT MAKE ANY FOOD BECAUSE IT DID NOT RECEIVE ANY LIGHT.
THE GREEN SECTION DID PERFORM PHOTOSYNTHESIS AND MADE SUGAR.
_____________________________________________________________________________________
OR
_____________________________________________________________________________________
DARK AREA = NO SUN = NO P.S. = NO SUGAR
13. The table below provides some information about common plant cell structures and their functions. In
the table, there are three blank spaces. Fill in the three blank spaces by writing the name of the plant cell
structure that performs the function described.
NUCLEUS
CHLOROPLAST
CELL WALL
*Base your answers to questions 14-15 on the diagram below that shows relationships in a natural community.
14. Which statement best explains the
relationships shown?
(1) Water changes over time to a nonrenewable
resource.
(2) Living things exchange materials with their
environment.
(3) Minerals recycle the dead materials in the
environment.
(4) Living things produce other living things.
15. Which process produces oxygen released into
the atmosphere?
(1) respiration
(3) excretion
(2) locomotion (4) photosynthesis
*Base your answers to questions 16-18 on the diagram below, which shows the Sun and a green plant.
LEAF
16. Identify one labeled part that carries on photosynthesis. ___________
17. In addition to sunlight and chlorophyll, what are the two materials
that a plant needs to carry on photosynthesis?
CARBON DIOXIDE
WATER
(1) _______________________ & (2) ___________________________
18. Identify one product that results from the process of photosynthesis.
GLUCOSE & OXYGEN
_______________________________________________________
19. The diagram below shows a bean plant. Complete the chart below by identifying the three structures
labeled A, B, and C. Identify one function of each structure.
LEAF
PHOTOSYNTHESIS,
CAPTURE SUNLIGHT,
TRANSPORT
STEM
SUPPORT LEAVES,
TRANSPORT,
STORE FOOD
ROOT
ANCHOR PLANT,
ABSORB NUTRIENTS
& WATER,
STORE FOOD
*Base your answers to questions 20-21 on the diagram of the cell below. Some of the structures are labeled.
20. Which two structures are found in plant cells, but not in animal cells?
CELL WALL
CHLOROPLAST
a. ____________________________,
b. ______________________________
21. Select three of the structures labeled in the diagram key. List these structures in the table below.
For each structure selected, state its function in the cell.
NUCLEUS
DIRECTS ALL CELL FUNCTIONS
CELL
MEMBRANE
CONTROLS MOVEMENT OF
MATERIALS IN & OUT OF
THE CELL
VACUOLE
STORE WATER
22. The diagram shows a deer & green plants.
Which statement best describes the relationship
between the deer and the plants?
(1) The deer supplies food and oxygen to the green plants.
(2) The deer supplies food and carbon dioxide to the green
plants.
(3) The green plants supply food and carbon dioxide to the
deer.
(4) The green plants supply food and oxygen to the deer.
23. Several tomato plants are grown
indoors next to a sunny window. The
plants receive water and fertilizer &
remain on the windowsill. What will
most likely happen?
28. This green plant carrying on photosynthesis.
(1) Most of the leaves on the window
side will wilt and die.
(2) The roots of the plants will grow
upward from the soil.
(3) Water droplets wills collect on the
leaves facing away from the window.
(4) The stem will bend toward the window.
PHOTOTROPISM
24. Native Americans would bury dead fish
with corn seeds. This technique was used
because the decomposing dead fish would
(1) provide nutrients for the corn plant
(2) eliminate the need for weeding
(3) release oxygen for use by the corn plant
(4) supply all the water needed by the plant
Identify two things shown in the diagram that the plant
needs for photosynthesis to occur.
(1)
(2)
CARBON DIOXIDE, WATER,
SUNLIGHT , CHLOROPHYLL
25. All living organisms are dependent
on plants because plants
(1) produce carbon dioxide
(2) remove oxygen from the air
(3) are producers
(4) are consumers
*Base your answers to questions 26-27 on
the diagrams and key below, which shows
two cells and some of their structures.
29. The diagram below shows a green plant.
What is the main function of the plant structure labeled A?
(1) reproduction (3) release of minerals of water
(2) absorption
(4) support
30. The diagram below shows a cross section of a bean seed.
26. List two structures that are found in
both plant and animal cells.
(1) _______________ (2)_______________
NUCLEUS
CYTOPLASM
27. Which structure shown in the plant cell
diagram is the site of photosynthesis?
CHLOROPLAST
The function of part X in the bean seed is to
(1) provide protection for the embryo
(2) provide nutrients for the embryo
(3) prevent mutations in the plant
(4) fight off infections in the plant
31. Grasses, shrubs, and trees are called
producers because they make
(1) water
(3) minerals
(2) carbon dioxide (4) food
*Base your answers to questions 35-36 on the diagram of
a green plant. Four parts are labeled A-D.
*Base your answers to questions 32-33 on
the diagram below which shows a process
that occurs in the leaf of a tree and other
organisms containing chlorophyll. Energy,
carbon dioxide, and water are taken in by
the leaf and oxygen and sugar are produced.
35. Which part of the plant is involved in sexual
reproduction?
(1) A (2) C (3) B (4) D
36. Where does the most photosynthesis occur?
(1) A (2) C (3) B (4) D
32. What process is occurring?
___________________________
PHOTOSYNTHESIS
33. What form of energy is being
taken in by the leaf?
___________________________
LIGHT
37. Which structure is found in a plant cell but not in
an animal cell?
(1) cell wall
(3) cytoplasm
(2) cell membrane
(4) nucleus
34. The diagram shows several organisms in a
fish tank. Which organism produces oxygen?
38. Which statement describes a method of sexual
reproduction that occurs in plants?
(1) Stem cuttings are placed in water and grow roots.
(2) Seeds are produced from the flower of the plant.
(3) Underground stems from a plant grow into new plants.
(4) A leaf falls to the soil, develops roots, and grows.
39. What is the outermost structure in a plant cell?
(1) cell membrane
(3) cell wall
(2) cytoplasm
(4) chloroplast
40. All plants and animals have mechanisms that
(1) transport nutrients
(2) perform photosynthesis
(3) regulate nerves
(4) produce flowers
(1) plant
(2) water
(3) snail
(4) rock
41. A group of students placed the same species of a water plant in five identical test tubes. The test
tubes were filled with water and placed at different distances from a light source. After a few minutes,
bubbles began to appear in the test tubes, indicating that photosynthesis was occurring. The students
counted and recorded the number of bubbles per minute that appeared in each of the test tubes. The
results are shown in the data table below.
Predict the number of bubbles per
minute that would appear if a test tube
were placed 80 cm from the light
source.
3
bubbles per minute
42. Which sequence represents the order of development for many plants?
(1) seed develops inside fruit → seed is dispersed → seed germinates → plant grows
(2) seed is dispersed → seed develops inside fruit → seed germinates → plant grows
(3) seed germinates → plant grows → seed is dispersed → seed develops inside fruit
(4) seed is dispersed → plant grows → seed germinates → seed develops inside fruit
*Base your answers to questions 43 and 44 on the graph below. The graph shows the results of an
experiment that tested the effect of time on the growth of a plant. A student measured the height of
several plants for ten weeks and determined the average height. The results are shown in the graph.
43. Identify three things that should be held constant during this
experiment.
(1) ________________________________________________
TYPE OF PLANT, ORIGINAL PLANT HEIGHT
(2) ________________________________________________
AMOUNT OF: WATER, SUN FERTILIZER, SOIL
TYPE OF CONTAINER,
(3) ________________________________________________
44. According to the graph, what will the average height of the
plants be at week 11 if growth continues at the same rate as in
weeks 8 through 10?
9.5
____________
cm.
*Base your answers to questions 45 and 46 on the graph below and on your knowledge of science. The
graph shows the concentration of carbon dioxide in parts per million (ppm) in the atmosphere over
several years.
45. Based on the graph, predict the month in
2007 when the concentration of atmospheric
carbon dioxide would have been highest.
_____________________________________
MAY
46. The general trend in the graph shows an
increase in atmospheric carbon dioxide levels
from 2002 to 2006. Describe one human
activity that may have produced this increase.
______________________________________
INCREASED POLLUTION,
DEFORESTATION,
ETC…
______________________________________
*Base your answers to questions 47-48 on the information below. A student conducted an experiment to
find out if air temperature affected the total number of seeds that germinate. Two groups of 100 identical
seeds were used. One group was kept at a temperature of 10°C and the other at 20°C. All other conditions
were held constant. Observations made during the experiment are shown in the data table below.
47. On the graph below, plot with an X the total
number of seeds that germinated at 20°C for each
day of observation. Connect the Xs with a line.
Note: The graph shows the total number of seeds that germinated at 10°C.
48. Using the graph that shows the total number of seeds that germinated at 10°C, determine how many
seeds would have germinated at 10°C by day 12. Total Number of Seeds = ____________
28 SEEDS
*Base your answers to questions 49-51 on the information and table below.
A farmer grows and sells flowering plants. The best-selling plants are the ones with the most blossoms.
The farmer buys new plant food that claims to make plants grow faster and taller. The farmer predicts that
taller plants will have more blossoms and performs the following experiment to test this hypothesis. Two
groups of 10 plants each are grown in identical pots filled with equal amounts of identical soil. The
amount of sunlight, the room temperature, and the amount of water are constant for both groups. Group A
is given plant food at regular intervals according to the instructions on the package. Group B is not given
plant food. The farmer observes the plants after 15 weeks of growth. The results are recorded below.
IF TALLER PLANTS HAVE MORE BLOSSOMS, THEN PLANTS
49. State the farmer’s original hypothesis. ___________________________________________________
GIVEN PLANT FOOD WILL HAVE MORE BLOSSOMS.
50. Based on the results of this experiment, is the farmer’s original hypothesis correct?
Circle one: Yes
No Explain your answer _____________________________________________
GROUP A WERE TALLER BUT THE BLOSSOMS WERE
THE SAME.
51. Explain why the amount of sunlight, the room temperature, and the amount of water were held
constant for both groups. _________________________________________________________________
TO ENSURE A FAIR EXPERIMENT & REDUCE ERROR.
*Base your answers to questions 52-55 on the information and diagrams below. Saltwater plants of the
same species were grown in soil in separate containers with 1 liter of water. All of the plants were the
same height at the beginning of the experiment. Different amounts of salt were dissolved in each container
as shown in the diagrams. All other conditions were held constant. Measurements for the final height of
each plant are provided.
52. Draw a line graph on the grid above.
5
53. How tall would the same type of plant grow in 1 liter of water with 2.5 grams of salt added? ______
cm.
SALTWATER PLANTS GROW BETTER IN VERY SALTY WATER.
54. State a conclusion. __________________________________________________________________
55. Identify conditions that need to be kept constant. ___________________________________________
AMOUNT OF WATER, TYPE & SIZE OF PLANT,
ENVIRONMENT, TYPE OF SALT ADDED…

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