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Admission Tests GRE Exam Syllabus Topics:

Admission Tests GRE General Test Sample Questions:

1. When applied to written records, the word "preservation" is fraught with multiple meanings and connotations For some archivists, preservation involves the attempt to save artifacts from physical deterioration and is synonymous with the conservation of original documents. For archivists with a contrary view the overriding obligation is to save intellectual content through the use of surrogates. Thus the original earners of information are seen as superfluous and consequently disposable The practice of microfilming old newspapers and discarding the originals is one example of such preservation. On yet another level, preservation considers whether limited storage space should be allotted indefinitely to materials that are rarely consulted or whether certain items are so peripheral to current interests that they should be discarded altogether to ensure a home for more-pert inent materials.
It can be inferred that which of the following approaches to preservation would be unacceptable to "some archivists: but acceptable to the archivists with a contrary views as the two groups positions are described in the passage?

A) Destroying videotapes containing eyewitness accounts of news events if the files have not been viewed by anyone in the previous five years
B) Displaying a historical document in a glass case m order to allow the public to view the document without damaging it
C) Scanning a governor's handwritten commentary on political correspondence into a computer file and disposing of the originals in order to save physical space

2. Female Australian Dunatothrips [small, sap-sucking insects] create tent-like structures on the surface of leaves to protect themselves and their eggs and larvae from desiccation in the arid Australian climate. Bono and Crespi compared survival and reproduction of thrips tliat founded structures alone with those in groups of two or more individuals. They found that although per capita egg production fell with increasing group size, foundresses were more likely to survive and lay eggs in groups than when alone. Several studies of other species of nest-building insects have concluded that foundress associations are beneficial to all parties. It is likely that the relative success of groups is at least in part accounted for by a reduction of energy use in the modification of a shared nest.
According to the passage. Bono and Crespi's findings showed that

A) solitary thrips on average lay more eggs than thrips that founded structures in groups
B) the relationship between per capita egg production and group size in Australian Dunatothrips is different from that in other species
C) structures built by foundresses working collectively tend to be larger than those built by solitary foundresses
D) foundresses in groups of two or three tended to survive longer than foundresses in larger groups of thrips
E) group size in Australian Dunatothrips can be expected to vary from year to year depending in part on the aridity of the climate

3.
If 20 percent of the amount budgeted for vacation had instead been added to the amount budgeted for entertainment, which of the following is closest to the percent by which ihe amount budgeted for entertainment would have increased?

A) 10%
B) 15%
C) 30%
D) 25%
E) 20%

4. Recent research has identified_________bats' navigational tool, echolocation: smooth, vertical surfaces such as the metal or glass plates on buildings can trick a bat into thinking it is flying in open air.

A) a symptom of
B) a deficiency in
C) a limitation of
D) an explanation for
E) a principle of
F) a component of

5. Recent research has questioned the long-standing view of pearly mussels as exclusively suspension feeders (animals that strain suspended particles from water) that subsist on phytoplankton (mostly algae). Early studies of mussel feeding were based on analyses of gut contents, a method that has three weaknesses. First, material in mucus-bound gut contents is difficult to identify and quantify. Second, material found in the gut may pass undigested out of the mussel, not contributing to its nutrition. Finally, examination of gut contents offers limited insight into the mechanisms and behaviors by which mussels acquire food. Modem studies suggest that pearly mussels feed on more than just algae and may use other means than suspension feeding. Pedal feeding (sweeping up edible material with a muscular structure called the foot) has been observed in juvenile pearly mussels.
Besides the phytoplankton pearly mussels capture from the water column, their guts also contain small animals, protozoans, and detritus (nonliving particulate organic material). Recent studies show that mussels can capture and assimilate bacteria as well, a potentially important source of food in many fresh waters.
Another potential source of food for mussels is dissolved organic matter. Early studies showing that pearly mussels could take up simple organic compounds were largely discounted because such labile (unstable) compounds are rarely abundant in nature. Nevertheless, recent work on other bivalves suggests that dissolved organic matter may be a significant source of nutrition.
Of this complex mix of materials that pearly mussels acquire, what is actually required and assimilated?
Stable-isotope analyses of mussels taken from nature and of captive-reared mussels are beginning to offer some insight into this question. Nichols and Garling showed that pearly mussels in a small river were omnivorous, subsisting mainly on particles less than 2S micrometers in diameter, including algae, detritus, and bacteria. Bacterially derived carbon was apparently the primary source of soft-tissue carbon. However, bacteria alone cannot support mussel growth, because they lack the necessary long-chain fatty acids and sterols and are deficient in some amino acids. Bacteria may supplement other food resources, provide growth factors, or be the primary food In habitats such as headwater streams, where phytoplankton is scarce. Juvenile mussels have been most successfully reared m the laboratory on diets containing algae high in polyunsaturated fatty acids. Thus, it appears that the pearly mussel diet in nature may consist of algae, bacteria, detritus, and small animals and that at least some algae and bacteria may be required as a source of essential biochemicals.
Which of the following can be inferred from the passage about the research findings of Nichols and Garling?

A) They suggest that pearly mussels are unable to assimilate bacteria.
B) They shed light on a puzzling phenomenon detailed in the second paragraph.
C) They contradict the long-standing view mentioned at the beginning of the passage.
D) They demonstrate the importance to pearly mussels of long-chain fatty acids.
E) They are based on analyses of gut contents of pearly mussels.

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