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Admission Tests GRE General Test Sample Questions:

1. In the present climate about half the atmospheric greenhouse effect comes from water vapor, about a quarter from clouds, and a fifth from carbon dioxide. According to Vallis. these numbers are necessarily) (i)_________because the effects of the greenhouse gases are not always (ii)_________. If the atmosphere is dry. then adding CO^ makes a big difference to the greenhouse effect, but if there is a large amount of water vapor in the atmosphere already producing a greenhouse effect, then adding CO (iii)_________.

A) conservative
B) benign
C) becomes more difficult
D) poses a threat
E) approximate
F) disputed
G) exaggerated
H) has less impact
I) cumulative

2. Female Australian Dunalothrips [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 that 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 panics. 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.
The author suggests which of the following about the "reduction of energy use"?

A) It may help insects to regulate egg production in groups that reach a certain population density.
B) Its magnitude is most likely smaller than suggested by some early research studies on insect reproduction.
C) Its negative consequences for insect eggs and larvae are outweighed by other, more advantageous effects.
D) It has been shown to occur primarily in species of insects that live in arid climates.
E) It may be beneficial enough to insects to offset a decrease in per capita egg production.

3. Laws protecting intellectual properly are intended to stimulate creativity, yet some tonus of creative work have never enjoyed legal protection-a situation that ought to be of great interest. If we see certain forms of creative endeavor (1)_________as a result of uncontrolled copying, we might decide tot (ii )_________intellectual property law. Conversely, if unprotected creative work (iii)_________in the absence of legal rules against copying, we would do well to know how such flourishing is sustained.

A) diversifying
B) extend
C) declines in originality
D) jettison
E) openly invites imitation
F) proliferating
G) languishing
H) manages to thrive
I) relax

4. How many values of x are there such that x is an integer and |3x - 2| < 8 ?

A) Three
B) Four
C) One
D) Two
E) Five

5. Though most physicists claim that the standard model of panicle physics is wrong, some prefer to say that the theory is_________: it succeeds in answering certain questions but has nothing to say about others.

A) effective
B) sound
C) incomplete
D) valid
E) limited
F) inconsistent

Solutions: