Biology 101-09 Practice Questions

87 Questions  I  By 63huncol on November 26, 2008
Purdue University Calumet Biology 101-09 Practice Final Exam Questions

  

Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  Why does ice float in liquid water?
A.
B.
C.
D.
E.
2.  How many structural isomers are possible for a substance having the molecular formula C5H12?
A.
B.
C.
D.
E.
3.  In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates protons from
A.
B.
C.
D.
E.
4.  During aerobic respiration, electrons travel downhill in which sequence?
A.
B.
C.
D.
E.
5.  Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through
A.
B.
C.
D.
E.
6.  Hydrophobic substances such as vegetable oil are
A.
B.
C.
D.
E.
7.  Upon chemical analysis a particular protein was found to contain 556 amino acids. How many peptide bonds are present in this protein?
A.
B.
C.
D.
E.
8.  A double-stranded DNA molecule contains a total of 120 purines and 120 pyrimidines. This DNA molecule could be composed of
A.
B.
C.
D.
E.
9.  Which of the following is true regarding catabolic pathways?
A.
B.
C.
D.
E.
10.  What is the difference between covalent bonds and ionic bonds?
A.
B.
C.
D.
E.
11.  All of the following statements are correct regarding the Calvin cycle of photosynthesis except:
A.
B.
C.
D.
12.  Which of the following would there be the greatest need for osmoregulation?
A.
B.
C.
D.
E.
13.  Research indicates that acid precipitation can damage living organisms by
A.
B.
C.
D.
E.
14.  The first law of thermodynamics states that energy can be neither created nor destroyed. For living organisms, which of the following is an important consequence of the first law?
A.
B.
C.
D.
E.
15.  In most cells, there are electrochemical gradients of many ions across the plasma membrane even though there are usually one or two electrogenic pumps present in the membrane. The gradients of the other ions are most likely acounted for by
A.
B.
C.
D.
E.
16.  A biologist ground up some plant leaf cells and then centrifuged the mixture to fractionate the organelles. Organelles in one of the heavier fractions could produce ATP in the light, while organelles in the lighter fraction could produce ATP in the dark. The heavier and lighter fractions are most likely to contain, respectively,
A.
B.
C.
D.
E.
17.  Van der Waals interactions result when?
A.
B.
C.
D.
E.
18.  Which type of organelle is primarily involved in the synthesis of oils, phospholipis, and steriods?
A.
B.
C.
D.
E.
19.  Which of the following contains hydrolytic enzymes?
A.
B.
C.
D.
E.
20.  Which of the following is not considered to be a wear molecular interaction?
A.
B.
C.
D.
E.
21.  Which of the following properties or processes do we associate with living things?
A.
B.
C.
D.
E.
22.  Which of the following is a correct definition of a kilocalorie?
A.
B.
C.
D.
E.
23.  The nuclear lamina is an array of filaments on the inner side of the nuclear membrane. If a method were found that could cause the lamina to fall into disarray, what would you expect to be the most likely consequence?
A.
B.
C.
D.
E.
24.  What is the term used for a change in a protein's three-dimensional shape or conformation due to disruption of hydrogen bonds, disulfide bridges, or ionic bonds?
A.
B.
C.
D.
E.
25.  The movement of potassium into an animal cell requires
A.
B.
C.
D.
E.
26.  Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?
A.
B.
C.
D.
E.
27.  All of the following statements about glycolysis are true except:
A.
B.
C.
D.
E.
28.  Altering which of the following levels of structural organization could change the function of a protein?
A.
B.
C.
D.
E.
29.  The atomic number of carbon is 6. 14C is heavier than 12C because the atomic nucleus of 14C contains
A.
B.
C.
D.
E.
30.  Research suggests that side effects from Ritalin, the drug used to treat attention deficit disorder, may be caused by contamination of enantiomers, or molecules that
A.
B.
C.
D.
E.
31.  What is the chemical mechanism by which cells make polymers from monomers?
A.
B.
C.
D.
E.
32.  Why is it important that an experiment include a control group?
A.
B.
C.
D.
E.
33.  Of the following functions, which is most important for the glycoproteins and glycolipids of animal cell membranes?
A.
B.
C.
D.
E.
34.  An organism with a cell wall would have the most difficulty doing which process?
A.
B.
C.
D.
E.
35.  All of the following statements are part of Charles Darwin's concept of natural selection except:
A.
B.
C.
D.
E.
36.  An example of a hydrogen bond is the bond between
A.
B.
C.
D.
E.
37.  Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would be
A.
B.
C.
D.
E.
38.  Who first names and described cells in 1665
A.
B.
C.
D.
E.
39.  The ionic bond of sodium chloride is formed when
A.
B.
C.
D.
E.
40.  Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?
A.
B.
C.
D.
41.  Which of the following is a major cause of the size limits for certain types of cells?
A.
B.
C.
D.
E.
42.  The question below is based on the stages of glucose oxidation listed below.A. stage I: glycolysisB. stage II: oxidation of pyruvate to acetyl CoAC. stage III: Krebs cycleD. stage IV: oxidative phosphorylation (chemiosmosis)Carbon dioxide is release during which stage(s)?
A.
B.
C.
D.
E.
43.  The hydrogenation of vegetable oil would result in which of the following?
A.
B.
C.
D.
E.
44.  The molecular mass of glucose (C6H12O6) is 180g. To make a 0.5 M solution of glucose, you should do which of the following
A.
B.
C.
D.
E.
45.  When blood glucose levels rise, the pancreas secretes insulin and as a result blood glucose levels decline. When blood glucose levels are low, the pancreas secretes glucagon and as a result blood glucose levels rise.Such regulation of blood glucose levels is an example of:
A.
B.
C.
D.
E.
46.  A controlled experiment is one in which
A.
B.
C.
D.
E.
47.  Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?
48.  Which of the following is a trace element that is essential to humans?
49.  Which of the following statements in completely correct?
A.
B.
C.
D.
E.
50.  Which of the following statements regarding events in the functioning of photosystem II is false?
A.
B.
C.
D.
E.
51.  A new flower species has a unique photosynthetic pigment. The leaves of this plant appear to be reddish yellow. What wavelengths of visible light are not being absorbed by this pigment?
A.
B.
C.
D.
E.
52.  Three or four of the following statements are true and correct. Which one, if any,is false?
A.
B.
C.
D.
E.
53.  Collecting data based on observation is an example of ________; analyzing this data to reach a conclusion is an example of __________ reasoning.
A.
B.
C.
D.
E.
54.  All of the following statements about NAD+ are true except:
55.  Evolution is biology's core theme that ties together all the other themes. This is because evolution
A.
B.
C.
D.
E.
56.  Pure, freshly-distilled water has a pH of 7. This means that
A.
B.
C.
D.
E.
57.  Which of the following statements is true regarding enzyme cooperativity?
A.
B.
C.
D.
E.
58.  Which of the following statements about the cytoskeleton is true?
A.
B.
C.
D.
E.
59.  Which of the following is (are) true of natural selection>
A.
B.
C.
D.
E.
60.  Which of these is a correct representation of the hierarchy of biological organization from least to most complex?
A.
B.
C.
D.
E.
61.  The concept of vitalism is based on a belief in a life force outside the jurisdiction of physical and chemical laws. According to this belief, organic compounds can arise only within living organisms. Which of the following did the most to refute the concept of vitalism?
A.
B.
C.
D.
E.
62.  What kinds of molecules pass through a cell membrane most easily?
A.
B.
C.
D.
E.
63.  CAM plants can keep stomates closed in daytime, thus reducing loss of water. They can do this because they
A.
B.
C.
D.
E.
64.  Elecrons exist only at fixed levels of potential energy. However, if an atom absorbs sufficient energy, a possible result is that
65.  A young relative of yours has never had much energy. He goes to a doctor for help and is sent to the hospital for some tests. There they discover his mitochondria can use only fatty acids and amino acids for respiration, and his cells produce more lactate than normal. Of the following, which is the best explanation of his condition>
A.
B.
C.
D.
E.
66.  In a hypothetical world, every 50 years people over 6 feet tall are eliminated from the population. Based on your knowledge of natural selection, you would predict that the average height of the human population will
A.
B.
C.
D.
E.
67.  Use the following information to answer the question below. Thomas Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments to algae to different wavelengths of light. He added aerobic bacteria and then noted in which areas the bacteria congregated. He noted that the largest groups were found in the areas illuminated by the red and blue light.An outcome of this experiment was to help determine
A.
B.
C.
D.
E.
68.  Which property of the carbon atom gives it compatibility with a greater number of different elements than any other type of atom?
A.
B.
C.
D.
E.
69.  Correct statements regarding ATP includeI. ATP serves as a main energy shuttle inside cells.II. ATP drives endergonic reaction in the cell by the enzymatic transfer of the phosphate group to specific reactants.III. The regeneration of ATP from ADP and phosphate is an endergonic reaction
A.
B.
C.
D.
E.
70.  The dynamics of any ecosystem include the following major processes:
A.
B.
C.
D.
E.
71.  One of the buffers that contribute to pH stability in human blood is carbonic acid (H2CO3). Carbonic acid is a weak acid that when placed in an aqueous solution dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+). Thus,H2CO3 ⇔ HCO3- + H+If the pH of the blood increases, one would expect
A.
B.
C.
D.
E.
72.  All of the following statements are true except:
A.
B.
C.
D.
E.
73.  Muscle cells in oxygen deprivation convert pyruvate to ________ and in this step gain
A.
B.
C.
D.
E.
74.  Polysaccharides, nucleic acids, and proteins are similar in that they
A.
B.
C.
D.
E.
75.  When biologists wish to study the internal ultrastructure of cells, they most likely would use
A.
B.
C.
D.
E.
76.  Which of the following statements is (are) true about the phosphate ion?
A.
B.
C.
D.
E.
77.  An organism is discovered that consumes a considerable amount of sugar, yet does not gain much weight when denied air. Curiously, the consumption of sugar increases as air is removed from the organism's environment, but the organism seems to thrive even in the absence of air. When returned to normal air, the organism does fine. Which of the following best describes the organism?
A.
B.
C.
D.
E.
78.  A new organism is discovered in the forests of Costa Rica. Scientists there determine that the polypeptide sequence of hemoglobin from the new organism has 72 different amino acid differences from humans, 65 differences from a gibbon, 49 differences from a rat, and 5 differences from a frog. This data suggests that the new organism
A.
B.
C.
D.
E.
79.  Which of the following is one of the ways that the membranes of winter wheat are able to remain fluid when it is extremely cold?
80.  The difference between the sugar in DNA and the sugar in RNA is that the sugar in DNA
A.
B.
C.
D.
E.
81.  Humans can digest starch but not cellulose because
A.
B.
C.
D.
E.
82.  The chemical reactions involved in respiration are virtually identical between prokaryotic and eukaryotic cells. In eukarotic cells, ATP is synthesized primarily on the inner membrane of the mitochondria. Where are the corresponding reactions likely to occur in prokaryotic respiration?
A.
B.
C.
D.
E.
83.  Which of the following is possible due to the high surface tension of water?
A.
B.
C.
D.
E.
84.  All of the following statements are representative of the second law of thermodynamics except
A.
B.
C.
D.
E.
85.  The electron transport chain energy is used to pump H+ ions into which location?
A.
B.
C.
D.
E.
86.  The next questions are based on the following information. A series of enzymes catalyze the reaction X→Y→Z→A. Product A binds to the enzyme that converts X to Y at a position remote from its active site. This binding decreases the activity of the enzyme.Substance A functions as
A.
B.
C.
D.
E.
87.  Which of the following statements is true about buffer solutions?
A.
B.
C.
D.
E.
Back to top
Quiz Comments (1)
i hate bio kteeeeeeeeeeeer
to post comments.

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz