Download Science 10 Review Assignment

Science 10 Review Assignment
UNIT C BIOLOGY
Name: ________________
Due Date: ____________
Read each question carefully. Circle the BEST answer and fill in the blanks.
1. A compound light microscope has more than one
A. lens
B. stage
C. eyepiece
D. light source
2. A specimen is viewed with a compound light microscope with the 40x objective lens in
place and a 10x eyepiece lens. What is the total magnification of the
specimen?
A. 4x
B. 10x
C. 40x
D. 400x
3. A field diameter of 0.6 mm is equivalent to
A. 6 μm
B. 60 μm
C. 600 μm
D. 6000 μm
4. Mark observes a specimen under the medium-power objective lens of a microscope
and estimated that it takes up two-thirds of the field of view. If the medium-power field
diameter is 1.2 mm, what is the length of the specimen in micrometres?
A. 0.4 μm
B. 1.2 μm
C. 800 μm
D. 1200 μm
5. The coarse adjustment knob on a microscope should never be used with the
A. eyepiece
B. low-power lens
C. medium-power lens
D. high-power lens
6. The idea that life could emerge from non-living matter is called
A. spontaneous generation
B. life force
C. infusion
D. cell theory
7. The following steps are used to prepare a wet mount slide.
step 1: Place your specimen in the centre of the slide.
step 2: Gently tap the slide with a probe to eliminate air bubbles.
step 3: Obtain a clean microscope slide and cover slip.
step 4: With an eyedropper, place a drop of water on the centre of the slide.
step 5: Place the cover slip at an angle with edge contacting the water, and gently lower
the cover slip with a toothpick or probe.
Which of the following is the correct order of preparing a wet mount slide?
A. 3, 1, 4, 2, 5
B. 3, 4, 1, 5, 2
C. 3, 1, 4, 5, 2
D. 3, 1, 5, 4, 2
8. Which of the following statements is not part of the cell theory?
A. Cells come from pre-existing cells.
B. Cells can form spontaneously from non-living matter.
C. All life functions take place inside the cell.
D. All living things are made up of one or more cells.
9. Match each statement regarding the development of the cell theory and the history of
microscope development with the correct contributor from the following list. Place your
answer in the blank space given.
i.
Louis Pasteur
ii.
Robert Brown
iii.
Ancient Greeks
iv.
Antonio van Leeuwenhoek
v.
Robert Hooke
vi.
Hans and Zacharias Jensen
vii.
Rudolf Virchow
viii. M. J. Schleiden and T. S. Schwann
______a. used a three-lens system
______b. provided strong evidence disputing spontaneous generation
______c. developed a two-lens system
______d. proposed original cell theory
______e. identified the nucleus and its importance in cells
______f. extended the cell theory to include that cells only come from
pre-existing cells
Use the following information to answer the next three (3) questions.
10. The conditions of same temperature and light conditions are called
A. responding variables
B. controlled variables
C. manipulated variables
D. experimental control
11. The flask that was open throughout the experiment is called the
A. responding variable
B. controlled variable
C. manipulated variable
D. experimental control
12. The mould that grew in the flask is called the
A. responding variable
B. controlled variable
C. manipulated variable
D. experimental control
13. Which characteristic of an image does staining improve?
A. magnification
B. contrast
C. resolution
D. transmission
14. Which microscope can show a detailed view of the surface of a specimen?
A. light microscope
B. confocal microscope
C. Scanning Electron Microscope
D. Transmission Electron Microscope
15. The minimum image size that the human eye can see is 0.1 mm. What is the
minimum magnification required to make an object that is 10 μm visible?
A. 1x
B. 10x
C. 100x
D. 1000x
16. Which technique is used to locate the position of specific genes within the genetic
make-up of an organism?
A. DNA sequencing
B. gene mapping
C. genealogy
D. genetics
17. A microscope technique that allows you to see specific parts of living specimen is
A. using stain under a light microscope
B. using a Scanning Electron Microscope
C. passing light from a microscope through a pinhole
D. using a fluorescent substance with a specimen under a light microscope
18. A system that is able to exchange matter and energy with its surroundings is called
a(n)
A. basic system
B. open system
C. free system
D. empty system
19. Which statement is true for both plant and animal cells?
A. They have a cell wall.
B. They have chloroplasts.
C. They have a Golgi apparatus.
D. They have very large water vacuoles.
20. The solvent that provides the environment for all biological reactions is
A. water
B. cytoplasm
C. nucleic acid
D. oxygen
21. The cell membrane consists of
A. two layers of lipids, each with a phosphate group attached
B. sugar molecules attached to a protein layer
C. two layers of carbohydrates attached to a lipid layer
D. a single layer of lipids with a phosphate group attached on each side
23. Another name for the cell membrane is
A. phospholipid bilayer membrane
B. fluid-mosaic membrane
C. lipid membrane
D. plasma membrane
24. Membrane-bound sacs in which digestion occurs are called
A. lysosomes
B. ribosomes
C. mitochondria
D. Golgi apparatus
25. Rod-like structures where reactions occur to convert chemical energy in sugars into
energy the cell can use are called
A. lysosomes
B. ribosomes
C. mitochondria
D. Golgi apparatus
26. Which part of the cell receives substances from the endoplasmic reticulum and
prepares them for transport out of the cell?
A. lysosomes
B. ribosomes
C. mitochondria
D. Golgi apparatus
27. Match each description or function with the correct structure or term from the
following list:
i. cytoplasm
ii. cell membrane
iii. endoplasmic reticulum
iv. chloroplast
v. lysosome
vi. central vacuole
vii. nucleus
viii. lipid
ix. equilibrium
______a. a series of small interconnected tubes that branch from the nuclear envelope
______b. an organelle that contains the genetic material of the cell and directs all cell
activities
______c. a structure containing chlorophyll found in plants and some protists
______d. a large, membrane-bound structure in a plant cell that causes the cell to become
turgid when filled with water
______e. a gel-like substance inside the cell membrane that contains the nutrients
required by cells
______f. a protective barrier for the cell
28. The movement of water across a cell membrane that does not require energy is called
A. osmosis
B. hypertonic diffusion
C. facilitated diffusion
D. active transport
29. Which factor determines whether movement across a cell membrane is active
transport or passive transport?
A. energy use
B. direction of movement
C. the concentration of solutes
D. the type of molecule or particle involved
30. A white blood cell engulfing a bacterium is an example of
A. osmosis
B. exocytosis
C. endocytosis
D. facilitated diffusion
31. A membrane that allows only certain substances to pass through is a
A. porous membrane
B. transparent membrane
C. impermeable membrane
D. semi-permeable membrane
32. Which method allows the cell to move particles against the concentration gradient?
A. osmosis
B. hypotonic diffusion
C. facilitated diffusion
D. active transport
33. Small substances soluble in lipids can pass through the cell membrane by
A. diffusion
B. facilitated diffusion
C. active transport
D. attaching to carrier proteins
34. A hen’s egg with the shell dissolved is placed in a 10% salt solution. Relative to the
interior of the egg which has no salt, the salt solution is
A. hypotonic
B. isotonic
C. hypertonic
D. semi-permeable
35. A process in which a vesicle fuses with the cell membrane then ruptures to expel
wastes to the outside of the cell is known as
A. osmosis
B. exocytosis
C. endocytosis
D. plasmolysis
36. Determine whether each statement is true (T) or false (F). Place your answer in the
blank space given.
______a. When a cell is put into an isotonic solution, individual water molecules cannot
move back and forth across the cell membrane.
______b. When a cell is put into a hypertonic solution, there is a net movement of water
molecules across the cell membrane into the cell.
______c. When a cell is put into a hypotonic solution, there is a net movement of water
molecules across the cell membrane out of the cell.
______d. The movement of any solvent across a semi-permeable membrane is called
osmosis.
______e. Carrier proteins have the ability to change shape and physically move
molecules across the cell membrane.
______f. In facilitated diffusion, the concentration of the molecules to be moved across
the cell membrane is higher inside the cell.
37. Proteins that stick out of the cell membrane and allow cells to recognize other cells or
recognize foreign bodies, such as bacteria, are known as
A. synthetic proteins
B. recognition proteins
C. receptor proteins
D. model proteins
38. Future treatment for diseases, such as HIV, involves
A. the removal of receptor proteins from the cell membrane
B. blocking recognition proteins on the HIV virus
C. blocking receptor proteins in the cell membrane
D. adding recognition proteins to the cell membrane
39. Gene therapy for cancer treatment involves
A. using liposomes to deliver medication to cancer cells
B. blocking receptor proteins in the cell membranes of cancer cells
C. using liposomes to introduce DNA to cancer cells so they produce toxins
D. using liposomes to introduce DNA to healthy cells so they do not become
cancerous
40. Read the following list of statements regarding insulin action in the body.
I. Insulin binds to receptor proteins.
II. Insulin is released by exocytosis.
III. Binding stimulates processes in the cell.
IV. Insulin travels through blood.
Which is the correct order of the statements?
A. I, II, III, IV
B. IV, II, I, III
C. III, I, IV, II
D. II, IV, I, III
41. Water moves from an area of lower water concentration to an area of higher water
concentration in
A. osmosis
B. diffusion
C. reverse osmosis
D. facilitated diffusion
42. Which statement regarding hemodialysis is true?
A. The dialysate fluid flows into the abdominal cavity through a catheter.
B. The blood is circulated out of the body for cleansing and then returned.
C. The patient is able to move around during the procedure.
D. Wastes move from a region of lower concentration to a region of higher
concentration.
Use the diagram below to answer the following 3 questions
43. What will happen in Beaker A?
A. Nothing will happen.
B. Glucose will move from inside the dialysis tubing into the water.
C. Glucose will move into the dialysis tubing.
D. Water will move out of the dialysis tubing.
44. What will happen in Beaker B?
A. Nothing will happen.
B. Starch will move from inside the dialysis tubing into the water.
C. Starch will move into the dialysis tubing.
D. Water will move out of the dialysis tubing.
45. You can check if starch moves across the membrane by performing
A. an iodine test on the starch solution inside the membrane
B. an iodine test on the water outside the membrane
C. a glucose test on the water outside the membrane
D. a glucose test on the starch solution inside the membrane
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46. To operate efficiently, a cell must
A. be large
B. have an impermeable membrane
C. have a large surface area to volume ratio
D. have a small surface area to volume ratio
47. Which of the following is true about a larger cell?
A. More wastes must leave the cell.
B. More molecules must move through the membrane.
C. Distances from the cell membrane to various organelles are greater.
D. all of the above
48. To reduce the dependence on diffusion, multicellular organisms have
A. reduced cell size and the number of cells
B. developed thinner cell membranes
C. developed other internal transport systems
D. all of the above
Plants
1. An example of xylem tissue is
A.
B.
C.
D.
openings in leaves
long fibres in celery
cells that covers the surface of leaves
small projections extending from roots
2. Long tubes that carry water and sugar from leaves to the rest of the plant are
known as
A. phloem tissue
B. xylem tissue
C. dermal tissue
D. ground tissue
51. Which is not part of the shoot system?
A. cuticle
B. root hair
C. stomata
D. xylem
52. Tissue that lies beneath the epidermis and makes up the majority of the plant
is called
A. cuticle tissue
B. dermal tissue
C. ground tissue
E. vascular tissue
5. Label the following cross section of a plant stem using terms from the list
provided.




xylem
stomata
ground tissue
epidermis


phloem
companion
cells


vascular
bundle
guard cells
6. Match each function with the correct structure from the following list.
i. cuticle
iv.
root hairs
ii. stomata
iii. xylem
v. ground
vi.
companion cells
tissue
vii. epidermis
viii. guard cells
a. a series of small interconnected tubes that branch from the nuclear
envelope
b. an organelle that contains the genetic material of the cell and directs all
cell activities
c. a structure containing chlorophyll found in plants and some protists
d. a large, membrane-bound structure in a plant cell that causes the cell to
become turgid when filled with water
e. a gel-like substance inside the cell membrane that contains the nutrients
required by cells
f. a protective barrier for the cell
7. The organelles where photosynthesis takes place are
A. xylem
B. chloroplasts
C. chlorophyll
F. vascular bundles
8. Which is a reactant in the process of photosynthesis?
A. carbon dioxide
B. chlorophyll
C. oxygen
D. glucose
9. How many chloroplasts are present in a typical plant cell? (hint: find a
photograph of a plant cell in your textbook)
A. 2 to 4
B. 20 to 40
C. 200 to 400
D. 2000 to 4000
10. Cells directly obtain energy to fuel their activities from
A. photosynthesis
B. cytoplasmic streaming
C. cellular respiration
D. cellular transport
11. A vial with water, bromothymol blue, carbon dioxide, and a plant are left for
24 hours in the light. The colour of the solution turns from yellow to blue. This
colour change is due to the plant
A. releasing oxygen into the solution through cellular respiration
B. releasing carbon dioxide into the solution through photosynthesis
C. removing oxygen from the solution by cellular respiration
D. removing carbon dioxide from the solution by photosynthesis
12. Two vials with water, bromothymol blue, and a snail are left for 24 hours, one
in the light and one in the dark. The colour changes from blue to green or yellow
in both vials because the snail
A. uses oxygen from the solution
B. uses carbon dioxide from the solution
C. releases oxygen into the solution
D. releases carbon dioxide into the solution
13. Balance the equation for cellular respiration by writing the correct number in
the blank spaces given.
C6H12O6(aq) + _______ O2(g) → _______ CO2(g) + _______ H2O(l) + energy
Begin Lesson 36.
For questions 14 to 18, read each question carefully. Decide which of the choices
BEST completes the statement.
14. Specialized cells that regulate the movement of water and other gases in and
out of the leaf of the plant are known as
A. guard cells
B. mesophyll cells
C. palisade cells
D. companion cells
15. The process of water vapour leaving a leaf through the stomata is called
A. transpiration
B. transportation
C. respiration
D. diffusion
16. When a potassium ion (K+) enters a guard cell, it creates a solution of
A. high water concentration inside the guard cells
B. low water concentration inside the guard cells
C. low water concentration outside the guard cells
D. low ion concentration inside the guard cells
17. Plants that grow in low-moisture climates have
A. few stomata
B. a large number of leaves
C. a large number of stomata
D. long stems
18. Cells responsible for the majority of photosynthesis in the leaf are called
A. epidermal cells
B. spongy layer cells
C. palisade tissue cells
D. guard cells
19. Decide whether each statement is true (T) or false (F).
a. Gas exchange in all plants occurs only through the leaves.
b. Spongy layer cells are loosely packed so air can move between the cells.
c. Leaves do not contain vascular tissue.
d. Palisade tissue cells contain chlorophyll.
e. The opening and closing of stomata is sometimes regulated by the amount of
carbon dioxide available.
Begin Lesson 37.
For questions 20 to 26, read each question carefully. Decide which of the choices
BEST completes the statement or answers the question.
20. The attraction of water molecules to other water molecules is known as
A. adhesion
B. cohesion
C. osmosis
D. capillary action
21. Water seen early in the morning only on the tip of a blade of grass is due to
A. active transport
B. turgor pressure
C. capillary action
D. root pressure
22. Transpiration is due to
A. root pressure
B. excess ground water
C. excess moisture in the air
D. evaporation of water through stomata and lenticels
23. A solution outside the cell that is hypotonic to the cell contents will cause
A. water to move into the cell
B. water to move out of the cell
C. sugar to move into the cell
D. a decreased evaporation rate in the leaves
24. Water moves into phloem cells by osmosis and creates an increased
pressure that pushes the sugar and water in the phloem to the rest of the plant.
This description of moving materials through the phloem is called
A. phloem theory
B. pressure difference
C. pressure-flow theory
D. active transport
25. Which two forces cause water and minerals to move up the xylem?
A. source and sink
B. osmosis and active transport
C. plasmolysis and pressure differences
D. root pressure and transpiration pull
26. What will you observe when the solution outside a cell has a higher solute
concentration than the contents of the cell?
A. increasing turgidity of the cell wall
B. the expansion of the central vacuole and movement of the cell contents to the
cell wall
C. the shrinking of the central vacuole and movement of the cell contents away
from the cell wall
D. no change in the shape or size of the central vacuole or cell wall
27. Why does cutting through the bark of a tree often kill the tree?
28. Complete the following table.
Location Substance(s) Moved Mechanism for
Movement
leaves sugar active transport
leaves water
phloem pressure difference
root sugar
root osmosis
xylem water and minerals
Begin Lesson 38.
For questions 29 to 33, read each question carefully. Decide which of the choices
BEST completes the statement.
29. Signals that organisms respond to are called
A. stimuli
B. tropisms
C. control systems
D. phototropism
30. A plant bends toward a light source as it grows. This is an example of
A. positive gravitropism
B. negative gravitropism
C. positive phototropism
D. negative phototropism
31. A corn seed is germinated in the dark. The root grows in a downward
direction. This shows the effect of
A. positive gravitropism
B. negative gravitropism
C. positive phototropism
D. negative phototropism
32. The tip of the stem of an oat leaf plant is covered with aluminium foil. A light
source from one side will
A. cause the stem to bend toward the light source
B. cause the stem to bend away from the light source
C. cause the stem to wither an die
D. have no effect on the stem
33. The phototropic response to light occurs
A. at the tip of the stem
B. at the base of the stem
C. part way down the stem
D. in the root of the plant
34. Determine whether each statement is true (T) or false (F).
a. F. W. Went isolated the chemical substance responsible for communicating
stimulus information.
b. The chemical substance responsible for communicating stimulus information
is a hormone.
c. Charles and Francis Darwin confirmed that the tip of a plant stem is
responsible for initiating the phototropic response.
d. When the tip of a stem is covered with a transparent cap, the stem bends
toward the light source anyway.
e. When the base of a stem is covered with an opaque shield, the stem bends
away from the light source.
f. An example of another control mechanism is that some plants require more
than 12 hours of darkness to produce flowers.
35. Write the following terms in the correct blank on the diagram.
seed
root
stem
negative phototropism
positive phototropism
negative gravitropism
positive gravitropism
When you have completed question 35, submit the assignments to your teacher
for assessment.
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6. Match each function with the correct structure from the following list.
i. cuticle
iv.
root hairs
ii. stomata
iii. xylem
v. ground
vi.
companion cells
tissue
vii. epidermis
viii. guard cells
a. a series of small interconnected tubes that branch from the nuclear
envelope
b. an organelle that contains the genetic material of the cell and directs all
cell activities
c. a structure containing chlorophyll found in plants and some protists
d. a large, membrane-bound structure in a plant cell that causes the cell to
become turgid when filled with water
e. a gel-like substance inside the cell membrane that contains the nutrients
required by cells
f. a protective barrier for the cell
7. The organelles where photosynthesis takes place are
A.
B.
C.
D.
xylem
chloroplasts
chlorophyll
vascular bundles
8. Which is a reactant in the process of photosynthesis?
A.
B.
C.
D.
carbon dioxide
chlorophyll
oxygen
glucose
9. How many chloroplasts are present in a typical plant cell? (hint: find a
photograph of a plant cell in your textbook…)
A. 2 to 4
B. 20 to 40
C. 200 to 400
D. 2000 to 4000
10. Cells directly obtain energy to fuel their activities from
A.
B.
C.
D.
photosynthesis
cytoplasmic streaming
cellular respiration
cellular transport
11. A vial with water, bromothymol blue, carbon dioxide, and a plant are left for
24 hours in the light. The colour of the solution turns from yellow to blue. This
colour change is due to the plant
A.
B.
C.
D.
releasing oxygen into the solution through cellular respiration
releasing carbon dioxide into the solution through photosynthesis
removing oxygen from the solution by cellular respiration
removing carbon dioxide from the solution by photosynthesis
12. Two vials with water, bromothymol blue, and a snail are left for 24 hours, one
in the light and one in the dark. The colour changes from blue to green or
yellow in both vials because the snail
A.
B.
C.
D.
uses oxygen from the solution
uses carbon dioxide from the solution
releases oxygen into the solution
releases carbon dioxide into the solution
13. Balance the equation for cellular respiration by writing the correct number in
the blank spaces given.
C6H12O6(aq) + _______ O2(g) → _______ CO2(g) + _______ H2O(l) + energy
14. Specialized cells that regulate the movement of water and other gases in and
out of the leaf of the plant are known as
A.
B.
C.
D.
guard cells
mesophyll cells
palisade cells
companion cells
15. The process of water vapour leaving a leaf through the stomata is called
A.
B.
C.
D.
transpiration
transportation
respiration
diffusion
17. Plants that grow in low-moisture climates have
A.
B.
C.
D.
few stomata
a large number of leaves
a large number of stomata
long stems
18. Cells responsible for the majority of photosynthesis in the leaf are called
A.
B.
C.
D.
epidermal cells
spongy layer cells
palisade tissue cells
guard cells
19. Decide whether each statement is true (T) or false (F).
a. Gas exchange in all plants occurs only through the leaves.
b. Spongy layer cells are loosely packed so air can move between the cells.
c. Leaves do not contain vascular tissue.
d. Palisade tissue cells contain chlorophyll.
e. The opening and closing of stomata is sometimes regulated by the
amount of carbon dioxide available.
20. The attraction of water molecules to other water molecules is known as
A.
B.
C.
D.
adhesion
cohesion
osmosis
capillary action
21. Water seen early in the morning only on the tip of a blade of grass is due to
A.
B.
C.
D.
active transport
turgor pressure
capillary action
root pressure
22. Transpiration is due to
A.
B.
C.
D.
root pressure
excess ground water
excess moisture in the air
evaporation of water through stomata and lenticels
23. A solution outside the cell that is hypotonic to the cell contents will cause
A.
B.
C.
D.
water to move into the cell
water to move out of the cell
sugar to move into the cell
a decreased evaporation rate in the leaves
24. Water moves into phloem cells by osmosis and creates an increased
pressure that pushes the sugar and water in the phloem to the rest of the
plant. This description of moving materials through the phloem is called
A.
B.
C.
D.
phloem theory
pressure difference
pressure-flow theory
active transport
25. Which two forces cause water and minerals to move up the xylem?
A.
B.
C.
D.
source and sink
osmosis and active transport
plasmolysis and pressure differences
root pressure and transpiration pull
26. What will you observe when the solution outside a cell has a higher solute
concentration than the contents of the cell?
A. increasing turgidity of the cell wall
B. the expansion of the central vacuole and movement of the cell contents
to the cell wall
C. the shrinking of the central vacuole and movement of the cell contents
away from the cell wall
D. no change in the shape or size of the central vacuole or cell wall
27. Why does cutting through the bark of a tree often kill the tree?
28. Complete the following table.
Location
Substance(s) Moved
Mechanism for
Movement
leaves
sugar
active transport
leaves
water
phloem
pressure difference
root
sugar
root
xylem
osmosis
water and minerals
29. Signals that organisms respond to are called
A.
B.
C.
D.
stimuli
tropisms
control systems
phototropism
30. A plant bends toward a light source as it grows. This is an example of
A.
B.
C.
D.
positive gravitropism
negative gravitropism
positive phototropism
negative phototropism
31. A corn seed is germinated in the dark. The root grows in a downward
direction. This shows the effect of
A.
B.
C.
D.
positive gravitropism
negative gravitropism
positive phototropism
negative phototropism
32. The tip of the stem of an oat leaf plant is covered with aluminium foil. A light
source from one side will
A.
B.
C.
D.
cause the stem to bend toward the light source
cause the stem to bend away from the light source
cause the stem to wither an die
have no effect on the stem
33. The phototropic response to light occurs
A. at the tip of the stem
B. at the base of the stem
C. part way down the stem
D. in the root of the plant
35. Write the following terms in the correct blank on the diagram.



seed
root
stem


negative
phototropism
positive
phototropism


negative
gravitropism
positive
gravitropism