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1st Quarter Cumulative Review
Name: ________
Base your answers to questions 1 and 2 on the
diagram below which represents an enzyme
controlled reaction and on your knowledge of
biology.
Date: _________
4. Base your answer to the following question on
According to the graph below, at what
temperature will the denaturation of lipase
begin?
1. Which number indicates the enzyme-substrate
complex?
A) 1
B) 2
C) 3
D) 4
A) below 0ºC
2. This reaction best represents
B) between 0ºC and 38ºC
A) dehydration synthesis
C) at 40ºC
B) aerobic respiration
D) at 68ºC
C) hydrolysis
5. Two organisms are represented below.
D) fermentation
3. Base your answer to the following question on In
the diagram below, which substance belongs in
area Z?
Which statement concerning organism A and
organism B is correct?
A) Organism A contains tissues while organism
B lacks tissues.
B) Organism A and organism B have the same
organs.
A) water
B) oxygen
C) nitrogen
D) carbon
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C) Organism A and organism B have
structures that allow them to maintain
homeostasis.
D) Organism A lacks structures that maintain a
dynamic equilibrium, while organism B has
these structures.
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Ms. Kavner
1st Quarter Cumulative Review
6. What has to be properly functioning in a
unicellular organism for homeostasis to be
maintained?
A) organelles
B) insulin
C) guard cells
D) antibodies
9. Substance C is most likely
7. The diagram below represents changes in the
sizes of openings present in leaves as a result of
the actions of cells X and Y.
A) lipase
B) sucrase
C) maltase
D) amylase
10. A certain enzyme will hydrolyze egg white but
not starch. Which statement best explains this
observation?
A) Enzymes are specific in their actions.
B) Starch molecules are too large to be
hydrolyzed.
C) Starch is composed of amino acids.
D) Egg white acts as a coenzyme for
hydrolysis.
11. Respiration is best described as a process by
which
A) necessary nutrients are circulated
The actions of cells X and Y help the plant to
B) hydrogen is used to synthesize glucose
C) metabolic wastes are absorbed
A) maintain homeostasis by controlling water
loss
B) store excess heat during the day and
remove the heat at night
C) absorb light energy necessary for cellular
respiration
D) detect changes in the biotic factors present
in the environmen
D) chemical energy is converted into a
usable form
12. Breathing rate is constantly being monitored
and adjusted in the human body, which results
in
A) the differentiation of mature body cells
B) feedback mechanisms removing damaged
cells
Base your answers to questions 8 and 9 on the
two chemical reactions shown below.
C) modification of gene activity in cells
D) the internal environment being kept
within certain limits
8. Letter B represents a
13. As a human red blood cell matures, it loses its
nucleus. After losing its nucleus, what ability
does a mature red blood cell lack?
A) glycerol molecule
A) take in material from the blood
B) monosaccharide
B) release hormones to the blood
C) dipeptide molecule
C) pass through artery walls
D) polymer
D) carry out cell division
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Ms. Kavner
1st Quarter Cumulative Review
14. What usually results when an organism fails to
maintain homeostasis?
18. A general equation for a chemical reaction is
shown below.
A) Growth rates within organs become equal.
B) The organism becomes ill or may die.
Which substance is represented by letter A?
C) A constant sugar supply for the cells is
produced.
A) amylase
B) lipase
C) protease
D) maltase
D) The water balance in the tissues of the
organism stabilizes.
15. The action of insulin on sugar levels in the blood
helps to
A) interfere with homeostasis
B) maintain dynamic equilibrium
C) coordinate enzyme production
D) regulate digestion of protein
16. Many scientists consider viruses nonliving.
Evidence supporting this consideration includes
the fact that viruses
A) always function independently of living
organisms
B) are multinucleated cells
C) lack basic cellular organelles
D) cannot be reproduced in a sterile culture
medium
17. The ability to grow in size is a characteristic of
living organisms. Although an icicle may grow in
size over time, it is considered nonliving
because there is
A) an increase in matter, but no increase in
the number of icicles
B) an interaction between the icicle and the
environment
C) no way for the icicle to move away from
heat
D) no metabolic activity present
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1st Quarter Cumulative Review
19. Base your answer to the following question on the diagram below. For each of the following
phrases, select the molecule, chosen from those shown below, which is best described by
that phrase.
A molecule that results from all dehydration synthesis reactions
A) 1
B) 2
C) 3
D) 4
E) 5
20. Which life process is classified as autotrophic
in some organisms and heterotrophic in other
organisms?
A) hormonal regulation
B) nutrition
C) anaerobic respiration
D) transport
21. Which chemical compound makes up the
greatest percentage of a protozoan?
A) nucleic acid
B) glucose
C) fatty acid
D) water
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1st Quarter Cumulative Review
22. Base your answer to the following question on the chemical reaction represented below.
Letter E represents a molecule of
A) oxygen
B) carbon dioxide
C) glycerol
D) water
23. A chemical analysis of organisms from each
kingdom shows that living things are primarily
composed of the elements
25. Which model best represents the relationship
between a cell, a nucleus, a gene, and a
chromosome?
A) carbon, hydrogen, chlorine, and sulfur
A)
B) carbon, hydrogen, oxygen, and nitrogen
C) iron, calcium, hydrogen, and oxygen
D) chlorine, carbon, calcium, and sulfur
B)
24. What are the main atoms of a protein
molecule?
A) Carbon, hydrogen, nitrogen, and oxygen
B) Nitrogen, oxygen, and phosphorous
C)
C) Oxygen, sulfur, and nitrogen
D) Carbon, phosphorous, and hydrogen
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D)
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Ms. Kavner
1st Quarter Cumulative Review
26. Base your answer to the following question on
the information and graph below and on your knowledge of biology.
The pH of the internal environment of lysosomes (organelles that contain digestive
enzymes) is approximately 4.5, while the pH of the surrounding cytoplasm is
approximately 7. The average pH of the human stomach during digestion is
approximately 2.5, while the average pH of the small intestine during digestion is about
8.
The graph below shows how pH affects the enzyme activity of four different
enzymes, A, B, C, and D.
Which enzyme functions best in a pH environment most similar to that of human stomach
enzymes?
A) A
B) B
C) C
D) D
27. Vegetable oils, such as corn oil, belong to which
general class of organic substances?
A) lipids
B) proteins
C) carbohydrates
D) salts
29. Which cell structures are correctly paired with
their functions?
A) The mitochondria produce enzymes, and
ribosomes transport them.
28. After eating a meal, blood sugar levels are
elevated. The body secretes hormones to help
absorb excess sugar into cells and return blood
sugar levels to normal. This is an example of
A) Excretion
B) Regulation
C) Synthesis
D) Reproduction
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B) The ribosomes make proteins, and the
nucleus stores genetic information.
C) The cell membrane make enzymes, and
cytoplasm transports them.
D) The vacuole stores genetic information,
and chloroplasts make proteins.
Ms. Kavner
1st Quarter Cumulative Review
30. The function of a cell depends primarily on its
A) life span
B) color
C) structure
D) movement
31. Which life activity is suggested by the cartoon
below?
34. The process that removes metabolic waste
products from an organism is known as
A) egestion
B) secretion
C) excretion
D) oxidation
35. Cell organelles may be separated according to
their densities by the use of
A) a compound light microscope
B) an ultracentrifuge
C) an electron microscope
D) a microdissection instrument
36. All of the following are true regarding cells
except?
A) All cells have genetic material
B) All cells have cell walls
C) All cells have plasma membranes
D) All cells can divide to form new cells
A) circulation
B) reproduction
C) absorption
D) nutrition
37. Stained yeast were added to a paramecium
culture, and some of the yeast were ingested
by the paramecium. This activity is most closely
associated with which life function?
32. Which two systems are most directly involved
in providing molecules needed for the synthesis
of fats in human cells?
A) synthesis
B) regulation
C) nutrition
D) growth
A) digestive and circulatory
B) excretory and digestive
C) immune and muscular
D) reproductive and circulatory
33. Which life function is primarily involved in the
conversion of the energy stored in organic
molecules to a form directly usable by a cell?
A) absorption
B) circulation
C) digestion
D) respiration
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1st Quarter Cumulative Review
38. Base your answer to the following question on
the information below.
41. In living organisms, lipids function mainly as
A) sources of stored energy and transmitters
of
genetic information
A student completed a series of
experiments and found that a
protein-digesting enzyme (intestinal
protease) functions best when the pH is 8.0
and the temperature is 37°C. During an
experiment, the student used some of the
procedures listed below.
Procedures
(A) Adding more protease
(B) Adding more protein
(C) Decreasing the pH to 6.0
(D) Increasing the temperature to 45°C
(E) Decreasing the amount of light
B) sources of stored energy and components
of
cellular membranes
C) transmitters of genetic information and
catalysts of chemical reactions
D) catalysts of chemical reactions and
components of cellular membranes
42. Base your answer to the following question on
Compound X increases the rate of the reaction
shown below.
Compound X is most likely
Which two procedures would most likely cause a
decrease in the rate of protein digestion?
A) A and D
B) B and C
C) C and D
D) A and E
39. Most of the starch stored in the cells of a
potato is composed of molecules that originally
entered these cells as what substance? A) an enzyme
B) a lipid molecule
C) an indicator
D) an ADP molecule
43. The endocrine system releases hormones that
travel to their target organs through
A) The circulatory system
B) The respiratory system
A) enzymes
B) simple sugars
C) The excretory system
C) amino acids
D) minerals
D) The digestive system
40. In which type of molecule is the ratio of
hydrogen to oxygen usually 2 to 1?
44. Which life activity is not required for the
survival of an individual organism
A) lipid
B) protein
A) nutrition
B) respiration
C) carbohydrate
D) glycerol
C) reproduction
D) synthesis
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1st Quarter Cumulative Review
45. Base your answer to the following question on Some structural formulas of organic
molecules are shown below.
Which structural formulas represent carbohydrate molecules?
A) 1 and 5
B) 2 and 4
C) 3 and 2
D) 4 and 3
46. The enzyme amylase will affect the breakdown
of carbohydrates, but it will not affect the
breakdown of proteins. The ability of an
enzyme molecule to interact with specific
molecules is most directly determined by the
A) shapes of the molecules involved
B) number of molecules involved
C) sequence of bases present in ATP
D) amount of glucose present in the cell
47. A change in the rate of enzyme action in
aquatic invertebrates would most directly
result from a change in the
A) number of consumers in the water
B) number of producers in the water
C) temperature of the water
D) salt concentration of the water
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1st Quarter Cumulative Review
48. Arrows A, B, and C in the diagram below represent the processes necessary to make the
energy stored in food available for muscle activity.
The correct sequence of processes represented by A, B, and C is
A) diffusion ® synthesis ® active transport
B) digestion ® diffusion ® cellular respiration
C) digestion ® excretion ® cellular respiration
D) synthesis ® active transport ® excretion
49. Which two activities in the chart below best
describe the process of transport?
A) A and C
B) B and C
C) C and D
D) A and D
50. The development of the cell theory was most
directly related to the
A) improvement of the microscope and
microscopic techniques
B) use of a five-kingdom classification system
C) development of the gene-chromosome
theory
D) discovery of bacteria and viruses
51. Which group contains only molecules that are
each assembled from smaller organic
compounds?
A) proteins, water, DNA, fats
B) proteins, starch, carbon dioxide, water
C) proteins, DNA, fats, starch
D) proteins, carbon dioxide, DNA, starch
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1st Quarter Cumulative Review
52. Base your answer to the following question on The diagram below represents the synthesis
of a portion of a complex molecule in an organism.
Which row in the chart could be used to identify the building blocks and product in the
diagram?
A) 1
B) 2
C) 3
D) 4
53. Which of the following is not one of the main
classes of macromolecules within cells?
A) Carbohydrates
B) Proteins
C) Nucleic acids
D) Water
57. Which statement illustrates an exception to
the concept that the cell is the unit of
structure and function of all living things?
A) Viruses contain genetic information but
lack other cellular components.
54. A pesticide that kills an insect by interfering
with the production of proteins in the insect
would most directly affect the activity of
A) ribosomes
B) minerals
C) chloroplasts
D) mitochondria
55. As a result of their metabolic activities, many
organisms produce harmful substances. These
substances are eliminated by the process of
A) ingestion
B) secretion
C) pinocytosis
D) excretion
B) amino acids
C) simple sugars
D) proteins
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C) Lysosomes contain hydrolytic enzymes.
D) Most bacteria are classified as
heterotrophic organisms.
58. In the body of a human, the types of chemical
activities occurring within cells are most
dependent on the
A) biological catalysts present
B) size of the cell
C) number of chromosomes in the cell
56. Starch molecules are hydrolyzed into smaller
units known as
A) glycerols
B) The cell is a complex "chemical factory."
D) kind of sugar found on each chromosome
59. In autotrophic plants, stored starch may be
converted into small organic molecules by the
process of
A) transpiration
B) aerobic respiration
C) intracellular digestion
D) extracellular digestion
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1st Quarter Cumulative Review
60. Base your answer to the following question on
the graph below and on your knowledge of
biology.
Which is a true statement about the
relationship of pH and enzyme action
A) All enzymes work best at a neutral pH.
B) Adding more acid does not affect the rate
of activity of an enzyme
C) Enzymes function only in a pH range of 4.0
to 5.5.
D) The activity of an enzyme is affected
by pH.
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Answer Key
!st Quarter Cumulative Review
1.
C
32.
A
2.
C
33.
D
3.
D
34.
C
4.
C
35.
B
5.
C
36.
B
6.
A
37.
C
7.
A
38.
C
8.
B
39.
B
9.
A
40.
C
10.
A
41.
B
11.
D
42.
A
12.
D
43.
A
13.
D
44.
C
14.
B
45.
A
15.
B
46.
A
16.
C
47.
C
17.
D
48.
B
18.
C
49.
C
19.
E
50.
A
20.
B
51.
C
21.
D
52.
B
22.
D
53.
D
23.
B
54.
A
24.
A
55.
D
25.
C
56.
C
26.
A
57.
A
27.
A
58.
A
28.
B
59.
C
29.
B
60.
D
30.
C
31.
D
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