Passage #1
Conflicting Viewpoints
Passage #2
Research
Summary
Passage #3
Data
Represent
Passage #4
Data
Represent
Passage #5
Research
Summary
100
Passage 1

26. According to Scientist 1, which of the following is the giant panda most likely to do when frightened?

F. Bleat and bark

G. Cover its eyes with its paws

H. Swat and grab with its forepaws

J. Walk away pigeon-toed
G. Cover its eyes with its paws
100
Passage 2

17. The experimental results indicate that Product B is most likely to form when one heats:

A. a basic solution with added citrate ion.

B. an acidic solution with added citrate ion.

C. an acidic solution with no added citrate ion.

D. a basic solution with no added citrate ion.
C. an acidic solution with no added citrate ion.
100
Passage 3

30. As the relative importance of petroleum as a primary energy source increased, the use of coal:

F. also increased.

G. decreased.

H. remained constant.

J. stopped completely.
G. decreased.
100
Passage 4

12. According to the data shown, most stars within 5 par- secs of the Sun have:

F. a spectral class of M.

G. an absolute magnitude of +11.0.

H. a mass similar to that of the Sun.

J. a bluish color.
F. a spectral class of M.
100
Passage 5

5. According to the experimental results, approximately what percentage of Asterias rubens specimens can regenerate two entire arms and part of the central body within six months?

A. 25%

B. 50%

C. 75%

D. 100%
B. 50%
200
Passage 1

24. Scientist 1 and Scientist 2 would agree on which of the following points?

F. Giant pandas should be classified in a separate family.

G. The giant panda should not be classified as a raccoon.

H. Raccoons and bears are physically and behaviorally very similar.

J. Animals should be classified into families based on their physical, behavioral, and genetic characteristics.
J. Animals should be classified into families based on their physical, behavioral, and genetic characteristics.
200
Passage 2

20. Which of the following hypotheses is supported by the results of Experiment 2 only?

F. Products A and B can both be formed in solutions heated to 110°C.

G. Solution 1 must be heated to yield any product.

H. Citrate ion prevents the formation of Product A.

J. Product B forms more readily at lower tempera- tures.
F. Products A and B can both be formed in solutions heated to 110°C.
200
Passage 3

32. As the consumption of alternate energy sources increased, the use of farm animals:

F. decreased to below 1% of the total.

G. increased to over 30% of the total.

H. increased, then decreased.

J. remained the same.
F. decreased to below 1% of the total.
200
Passage 4

13. According to the information given, which of the fol- lowing stars—Sirius, Altair, alpha-Centauri—are likely to be hotter than the Sun?

A. Sirius, Altair,and alpha-Centauri

B. Sirius and Altair

C. Sirius

D. alpha-Centauri
B. Sirius and Altair
200
Passage 5

36. Which of the following conclusions is supported by the results of Experiment 2 only?

F. Starfish are only capable of regenerating arms.

G. Starfish with larger portions removed regenerate at faster rates.

H. Some starfish die as a result of confinement in lab- oratory tanks.

J. Regeneration is dependent upon the existence of a portion of the central body.
J. Regeneration is dependent upon the existence of a portion of the central body.
300
Passage 1

28. Suppose that giant pandas have glandular scent areas. This fact could be used to support the viewpoint of:

F. Scientist 1, if it were also shown that raccoons also have glandular scent areas.

G. Scientist 2, if it were also shown that bears do not have glandular scent areas.

H. Scientist 1, if it were also shown that raccoons have a very poor sense of smell.

J. Scientist 2, if it were also shown that bears urinate to lay down their scent.
F. Scientist 1, if it were also shown that raccoons also have glandular scent areas.
300
Passage 2

19. Which of the following additional experiments would yield the most useful data concerning the reaction con- ditions that favor each product?

A. Varying the concentration of the solutions

B. Testing with pH levels of 7.0

C. Heating the solutions to 175° C

D. Freezing the solutions
B. Testing with pH levels of 7.0
300
Passage 3

31. The data shown support the hypothesis that the ability to utilize coal as an energy source:

A. was developed during the 1900s.

B. was dependent on the development of mechanized mining techniques.

C. predated the ability to utilize natural gas

D. was predated by the ability to utilize natural gas.
C. predated the ability to utilize natural gas
300
Passage 4

14. Thefainteststarsthatarevisibletothenakedeyeareof the 6th magnitude. On the basis of this information and the data given, which of the following conclusions is most likely to be valid?

F. The majority of stars within 5 parsecs of the Sun are visible from a distance of 10 parsecs.

G. The majority of stars within 5 parsecs of the Sun are not visible from a distance of 10 parsecs.

H. Stars in spectral classes K and M are visible from a distance of 10 parsecs.

J. Stars in spectral class B are visible from a distance of 10 parsecs.
G. The majority of stars within 5 parsecs of the Sun are not visible from a distance of 10 parsecs.
300
Passage 5

38. The first group of starfish was used in Experiment 1:

F. as a control to see how many starfish were likely to die under the conditions of the experiment.

G. as a control for the second experiment.

H. to test the natural recuperative powers of Asterias rubens.

J. to determine the effect of a fresh water environ- ment on Asterias rubens.
F. as a control to see how many starfish were likely to die under the conditions of the experiment.
400
Passage 1

29. WhichofthefollowingargumentscouldScientist1use to counter Scientist 2’s claim about the behavior of giant pandas and bears?

A. The giant panda walks with a pigeon-toed gait.

B. Unlike most bears, but like raccoons, an aggressive giant panda bobs its head up and down.

C. The giant panda swats and grabs at its adversaries.

D. Unlike most bears, the giant panda has only 19 pairs of chromosomes.
B. Unlike most bears, but like raccoons, an aggressive giant panda bobs its head up and down.
400
Passage 2

18. Which of the following conclusions is NOT supported by the experimental results?

F. The formation of Product B is not affected by the presence of citrate ion.

G. The formation of Product B is not affected by the heating of the solution.

H. Products A and B form under different conditions.

J. The formation of Product A is affected by the heat- ing of the solution.
F. The formation of Product B is not affected by the presence of citrate ion.
400
Passage 3

33. Which of the following conclusions concerning energy consumption from 1900 to 1950 is supported by the information given in the graph?

A. Energy sources became more diverse.

B. Work animals became more important.

C. Natural gas became the major energy source.

D. Coal remained the largest single source of energy.
D. Coal remained the largest single source of energy.
400
Passage 4

15. The data given in the passage support which of the fol- lowing conclusions?

I. alpha-Centauri is redder in color than Sirius.
II. The Sun has a higher surface temperature than does Altair.
III. If both the Sun and Procyon were viewed at a distance of 10 parsecs, the Sun would appear brighter.
A. I only

B. III only

C. I and II only

D. II and III only
A. I only
400
Passage 5

39. In Experiment 2, the sum of fully regrown and dead starfish after one year did not always equal 25. The hypothesis which best explains this is that:

A. some of the starfish were lost during the experiment.

B. the researchers miscalculated somewhere during the course of the experiment.

C. some body parts fused together to form single starfish.

D. some of the starfish were alive but not fully regenerated.
D. some of the starfish were alive but not fully regenerated.
500
Passage 1

27. According to Scientist 2, the giant panda should be classified as a bear because:

A. there is little disparity in the size of male and female giant pandas.

B. the greeting rituals of the giant panda resemble those of bears.

C. both bears and giant pandas are herbivorous.

D. the DNA of giant pandas is similar to that of bears.
D. the DNA of giant pandas is similar to that of bears.
500
Passage 2

21. Which of the following conditions remain(s) constant in all three experiments?

A. The temperature of the solutions during the exper- iments

B. The initial amount of cobalt complex present

C. The amount of citrate ion present

D. The amount of cobalt complex and the amount of citrate ion present
B. The initial amount of cobalt complex present
500
Passage 3

34. The data on the graph support which of the following conclusions?

I. Energy consumption in 1985 relied in part on technologies that did not exist in 1850.
II. The largest source of energy in the United States has always been coal.
III. The short supply of available petroleum will lead to a decrease in its use.

F. I only

G. III only

H. I and II only

J. II and III only
F. I only
500
Passage 4

16. In which of the following ways would a Hertzsprung- Russell diagram that included all of the known stars within 10 parsecs of the Sun differ from the one shown here?

F. The number of points on the graph would approx- imately double, while the shape would remain the same.

G. Most of the additional stars would fall in the por- tion of the graph between Sirius and alpha-Centauri.

H. Most of the additional stars would be in spectral class M with an absolute magnitude of less than +16.0

J. It cannot be determined from the information given.

J. It cannot be determined from the information given.
500
Passage 5

40. Starfish prey on abalone. At one time it was common practice for abalone fishermen to chop starfish into pieces and throw them back into the ocean. What was the most probable result of this practice?

F. The starfish population immediately skyrocketed.

G. The starfish population increased over a period of time as some pieces underwent regeneration.

H. The starfish population decreased drastically.

J. Every piece that was returned to the ocean eventual- ly became a complete starfish again.
G. The starfish population increased over a period of time as some pieces underwent regeneration.
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