Practice Questions on Critical Reasoning
Verbal Test Questions and Answers

Moderate Critical Reasoning Question - 1

Q1.

A drug that is highly effective in treating many types of infection can, at present, be obtained only from the bark of the ibora, a tree that is quite rare in the wild. It takes the bark of 5,000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibora's extinction.

Which of the following, if true, most seriously weakens the argument above?

A.

The drug made from ibora bark is dispensed to doctors from a central authority.

B.

The drug made from ibora bark is expensive to produce.

C.

The leaves of the ibora are used in a number of medical products.

D.

The ibora can be propagated from cuttings and grown under cultivation.

E.

The ibora generally grows in largely inaccessible places.

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Moderate Critical Reasoning Question - 2

Q2.

For similar carsand comparable drivers, automobile insurance for collision damage has always costmore in Great port than in Fairmont. Police studies, however, show thatcars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont. Clearly, therefore, insurance companies are making a greater profit on collision-damage insurance in Greatportthan in Fairmont.

In evaluating the argument, it would be most useful to compare

A.

the level of traffic congestion in Greatport with the level oftraffic congestion in Fairmont

B.

the cost of repairing collision damage in Great port with the cost of repairing collision damage in Fairmont

C.

the rates Greatport residents pay for other forms ofinsurance with the rates paid for similar insurance by residents of Fairmont

D.

the condition of Greatport's roads and streets with the condition of Fairmont's roads and streets

E.

the cost of collision-damage insurance in Greatport and Fairmont with that in other cities

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Moderate Critical Reasoning Question - 3

Q3.

The tulu, a popular ornamental plant, does not reproduce naturally, and isonly bred and sold by specialized horticultural companies. Unfortunately, thetulu is easily devastated by a contagious fungal rot. The government ministry plans to reassure worried gardeners by requiring all tulu plants to betested for fungal rot before being sold. However, infected plants less than 30 weeks old have generally notbuilt up enough fungal rot in their systems to be detected reliably. And many tulu plants are sold before they are 24 weeks old.

Which of the following, if performed bythe government ministry, could logically be expected to overcome the problem with their plan to test for the fungal rot?

A.

Releasing a general announcement that tulu plants less than 30 weeks old cannot be effectively tested for fungal rot

B.

Requiring all tulu plants less than 30 weeks old to be labeled as such

C.

Researching possible ways to test tulu plants less than 24 weeks old for fungal rot

D.

Ensuring that tulu plants not be sold before they are 30 weeks old

E.

Quarantining all tulu plants from horticultural companies at which any case of fungal rot has been detected until those tulu plants can be tested for fungal rot

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Moderate Critical Reasoning Question - 4

Q4.

Last year the rate of inflation was 1.2 percent, but for the current year it has been 4 percent. We can conclude that inflation is on an upward trend and the rate will be still higher next year.

Which of the following, if true, most seriously weakensthe conclusion above?

A.

The inflation figures were computed onthe basis of a representative sampleof economic data rather than all of the available data.

B.

Last year a dip in oil prices brought inflation temporarily below its recent stable annual level of 4 percent.

C.

Increases in the pay of some workers are tied to the level of inflation, and at an inflation rate of 4 percent or above, these pay raises constitute a force causing further inflation.

D.

The 1.2 percent rate of inflation last year represented a 10-year low.

E.

Government intervention cannot affect the rate of inflation to any significant degree.

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Moderate Critical Reasoning Question - 5

Q5.

Thyrian lawmaker: Thyria's Cheese Importation Board inspects all cheese shipments to Thyria and rejects shipments not meeting specified standards. Yet only 1 percent is ever rejected. Therefore, since the health consequences and associated economic costs of not rejecting that 1 percent are negligible, whereas the board's operating costs are considerable, for economic reasons alone the board should be disbanded.

Consultant: I disagree. The threat of having their shipments rejected deters many cheese exporters from shipping substandard product.

The consultant responds to the lawmaker's argument by

A.

rejecting the lawmaker's argument while proposing that the standards according to which the board inspects imported cheese should be raised

B.

providing evidence that the lawmaker's argument has significantly overestimated the cost of maintaining the board

C.

objecting to the lawmaker's introducing into the discussion factors that are not strictly economic

D.

pointing out a benefit of maintaining the board, which the lawmaker's argument has failed to consider

E.

shifting the discussion from the argument at hand to an attack on the integrity of the cheese inspectors

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