Download 7th Grade Cells Review

7th Grade Cells Review
1. Which statement is not a part of
the cell theory?
(1) Cells are the basic unit of
structure of living things.
(2) Cells are the basic unit of
function of living things.
(3) Cell parts such as chloroplasts
are self-replicating.
(4) Cells come from preexisting cells.
2. Give the cell organelle that performs each
function.
1. Transport materials throughout the cell
2. Protein production
3. Digests food
4. Regulates what enters and leaves the cell
5. Produces energy
6. Controls all cell activities
7. Holds cell organelles
8. Site of photosynthesis
9. Used in cell division
10. Gives plant cell shape and support
11. Stores materials
3. Identify all the organelles labeled and give
the function of each.
4. What type of cell is represented?
5. What is structure B? What is the function of
this structure?
6. What is the function of structure C?
7. Explain how structure A maintains homeostasis
within the cell?
8. Identify the structures labeled and the function of
each.
9. One difference between plant
and animal cells is that animal
cells do not have
(1)a nucleus
(2)chloroplasts
(3)a cell membrane
(4)centrioles
10. Which structure permits the
entry and exit of materials in an
animal cell?
(1.) lysosome
(2.) chromosome
(3.) cell wall
(4.) cell membrane
11. The structure most closely
associated with the destruction of
worn out cell organelles is the
(1.) lysosome
(2.) centrosome
(3.) vacuole
(4.) chromosome
12. Which is found in the
nucleus?
(1.) ribosome
(2.) vacuole
(3.) lysosome
(4.) chromosome
13. The rigidity (support) of a
plant cell is due primarily
to the presence of the
(1) chloroplasts
(2) centrosomes
(3) cell membrane
(4) cell wall
14. Whitney observes a cell under
the microscope. She identifies it as
a green plant cell and not a cheek
cell because of a
(1.) nucleus
(2.) cell membrane
(3.) chloroplast
(4.) mitochondrion
15. Which structure is found ONLY in
animal cells?
(1.) cell wall
(2.) vacuoles
(3.) centrioles
(4.) chloroplasts
16. The organelle most closely
associated with the manufacture
of proteins within the cell is the
(1.) ribosome
(2.) nucleolus
(3.) cell wall
(4.) cell membrane
17. What is this structure called?
18. In what kind of cell is this structure
found?
19. What process occurs in this structure?
20. What is this structure called?
21.What is the function of this organelle?
22. In what kind of cells would you find
this organelle?
23. Which sequence of terms is in
the correct order from simplest to
most complex?
(1) cells, tissues, organs, organ
systems
(2) tissues, organisms, cells,
organ systems
(3) cells, tissues, organ systems,
organs
(4) organs, organisms, organ
systems, cells
24. Explain two differences between
prokaryotic and eukaryotic cells.
25. Give an example of a prokaryotic
cell.
26. Give an example of a eukaryotic
cell.
27. The breakdown of organic
compounds to produce ATP is
known as
(1)cellular respiration
(2)transpiration
(3)active transport
(4) photosynthesis
28. An important molecule generated
by both lactic acid fermentation and
alcoholic fermentation is
(1) ATP
(2) CO2
(3) CO2
(4) H2O
29.
C6H12O6 + 6O2
 6CO2 + 6 H2O + X
a. What is the name of the process represented
above?
b. Where does this process occur?
c. What molecule does X represent?
d. What material is needed for this process to
occur?
e. What are 2 wastes produced in this process?
30. Aerobic respiration and
fermentation are similar in that both
processes
(1.) require oxygen
(2.) utilize light energy
(3.) release energy
(4.) produce carbohydrates
31. When muscles are exercised
extensively in the absence of
sufficient oxygen,
(1) lactic acid is produced
(2) a large amount of ATP is formed
(3) no energy is produced
(4) aerobic respiration occurs
32. Yeast produce alcohol and CO2 in
the process of
(1)lactic acid fermentation
(2)alcoholic fermentation
(3)aerobic respiration
(4) nutrition
33. In the presence of oxygen, _____
molecules of ATP can be formed.
(1)2
(2) 19
(3) 36
(4) 63
34. The life function of transport in an
organism directly involves those
activities used to:
1.absorb and distribute materials
2.obtain and break down materials
3.release energy from food
4.produce cellular waste products
35. What type of transport does this picture
represent?
36. Explain your answer.
37. The diagram above shows the same
type of molecule in area A and area B.
With the passage of time, some
molecules move from area A to area B.
This movement is the result of the
process of __________.
38. The movement of materials from
higher to lower concentration is
called
(1.) diffusion
(2.) active transport
(3.) pinocytosis
(4.) phagocytosis
39. The movement of materials from
lower to higher concentration
requiring energy is called
(1.) movement
(2.) diffusion
(3.) active transport
(4.) cell division
40. Diffusion is a term for the movement
of molecules from
(1) an area of low concentration
to a high concentration
(2) an adjacent area to a gradient
area
(3) an area of high concentration
to a low concentration
(4) a nucleus to the mitochondria
41. Which life process is being described?
a. Moving parts of the body
b. Maintaining a stable internal
environment
c. Sum total of all life processes
d. Production of energy
e. Control and coordination
f. Movement of materials in and
out of a cell
g. Production of new organisms
42. Which life process is being described?
a. Taking in materials from the
environment that an organism
needs
b. Cell division and an increase
in cell size
c. The type of nutrition in which an
organism produces their
own food
d. The type of nutrition in which
an organism does not produce its
own food