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Reading Comprehension

Direction for [ Question No: 11 To 11 ] :

In response to the increasing environmental damage wrought by poachers, authorities placed a ban on ivory in the 1980s. Although the ban resulted in an initial decrease in the sale and trade of illegal ivory and a concurrent increase in the elephant population, more pressing needs caused most Western nations to withdraw funding for poaching prevention programs. Without significant financial support, poorer countries were unable to effectively combat poachers. The resulting explosion in the ivory trade has seen prices increase to nearly 10 times the $45 per pound price at the beginning of the decade.

Unfortunately, the countries with the worst poaching problems have also tended to be the ones least able to combat the problem due to unstable political systems, corruption, lack of comprehensive enforcement programs, or some combination of all these factors. One primary hindrance to better enforcement of the ivory ban came from an inability to definitively identify the country of origin of illegal ivory. 

Countries used this uncertainty to avoid responsibility for curbing illegal poaching in their territories by attempting to blame other countries for the oversights in enforcement. Now, though, zoologists have perfected a new DNA identification system. First, scientists gathered genetic data from the population of African elephants, an arduous effort that ultimately resulted in a detailed DNA-based map of the distribution of African elephants. Then, the researchers developed a method to extract DNA evidence from ivory, allowing them to match the ivory with elephant populations on the map. Zoologists hope this new method will pinpoint the exact origin of poached ivory and force countries to accept their responsibility in enforcing the ban.

Answer: D

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Direction for [ Question No: 12 To 18 ] :

A fundamental principle of pharmacology is that all drugs have multiple actions. Actions that are desirable in the treatment of disease are considered therapeutic, while those that are undesirable or pose risks to the patient are called "effects." Adverse drug effects range from the trivial, e.g., nausea or dry mouth, to the serious, e.g., massive gastrointestinal bleeding or thromboembolism; and some drugs can be lethal. Therefore, an effective system for the detection of adverse drug effects is an important component of the health care system of any advanced nation. Much of the research conducted on new drugs aims at identifying the conditions of use that maximize beneficial effects and minimize the risk of adverse effects.

The intent of drug labeling is to reflect this body of knowledge accurately so that physicians can properly prescribe the drug; or, if it is to be sold without prescription, so that consumers can properly use the drug.

The current system of drug investigation in the United States has proved very useful and accurate in identifying the common side effects associated with new prescription drugs. By the time a new drug is approved by the Food and Drug Administration, its side effects are usually well described in the package insert for physicians. The investigational process, however, cannot be counted on to detect all adverse effects because of the relatively small number of patients involved in premarketing studies and the relatively short duration of the studies.

Animal toxicology studies are, of course, done prior to marketing in an attempt to identify any potential for toxicity, but negative results do not guarantee the safety of a drug in humans, as evidenced by such well known examples as the birth deformities due to thalidomide.

This recognition prompted the establishment in many countries of programs to which physicians report adverse drug effects. The United States and other countries also send reports to an international program operated by the World Health Organization. These programs, however, are voluntary reporting programs and are intended to serve a limited goal: alerting a government or private agency to adverse drug effects detected by physicians in the course of practice. Other approaches must be used to confirm suspected drug reactions and to estimate incidence rates. These other approaches include conducting retrospective control studies; for example, the studies associating endometrial cancer with estrogen use, and systematic monitoring of hospitalized patients to determine the incidence of acute common side effects, as typified by the Boston Collaborative Drug Surveillance Program.

Thus, the overall drug surveillance system of the United States is composed of a set of information bases, special studies, and monitoring programs, each contributing in its own way to our knowledge about marketed drugs. The system is decentralized among a number of governmental units and is not administered as a coordinated function. Still, it would be inappropriate at this time to attempt to unite all of the disparate elements into a comprehensive surveillance program. Instead, the challenge is to improve each segment of the system and to take advantage of new computer strategies to improve coordination and communication.

Answer: C

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Answer: C

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Answer: D

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Answer: C

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Answer: B

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Answer: A

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18.

The author relies on which of the following in developing the passage?

Answer: A

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Direction for [ Question No: 19 To 20 ] :

The classical realist theory of international relations has long dominated both academic institutions and the American government. Even at the birth of the nation, early political thinkers, such as Alexander Hamilton, promoted a realist view of international relations and sought to influence the actions of the government based on this perspective. While the classical realist school of international relations is not entirely homogeneous in nature, there are certain premises that all classical realists share. 

The primary principle underlying classical realism is a concern with issues of war and peace. Specifically, classical realists ask, what are the causes of war and what are the conditions of peace? The members of the classical realist school mainly attribute war and conflict to what is termed the security dilemma. In the absence of any prevailing global authority, each nation is required to address its own security needs. However, each nation’s quest for security—through military buildups, alliances, or territorial defenses—necessarily unsettles other nations. These nations react to feelings of insecurity by engaging in their own aggressive actions, which leads other nations to react similarly, perpetuating the cycle.

It is important to note that for realists, unlike idealists or liberal internationalists, international conflict is a necessary consequence of the structural anarchy that nations find themselves in. Whereas other schools may see international conflict as the result of evil dictators, historical chance, flawed socio political systems, or ignorance of world affairs, classical realists see war as the logical result of a system that by its nature lacks a true central authority.

Hand in hand with this view of conflict as an inevitable condition of the global power structure is the realists’ view of the nation as a unitary actor. Because classical realists see international relations as a continuing struggle for dominance, the nation can not be viewed as a collection of individuals with disparate wants, goals, and ideologies. The realist view requires the formulation of a national interest, which in its simplest terms refers to the nation’s ability to survive, maintain its security, and achieve some level of power relative to its competitors.

Realism is not without its critics, many of whom challenge the premise that war is the natural condition of international relations or that there can be a truly national interest. However, the realist school of international relations continues to shape foreign policy because of the successes it has had in describing real world interactions between nations.

Answer: B

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Answer: B

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