picat Paragraph Comprehension
Your heart's mitral valve does an awfully big job. Letting blood from the left atrium of the heart into the
left ventricle without losing a drop is one of the toughest task in the circulatory system. In fact, if the
system was suddenly opened at the point, the force of the valve closing would send blood five feet in
the air.
In this passage, the author's purpose is to Ans- convince readers of the stress on the mitral valve
Riding the mail plane is a low-budget way to visit America's largest national park -- Wrangell-St. Elias --
13 million acres of scenic beauty. Copper first drew prospectors to this part of Alaska. From 1911 to
1938, the Kennicott mine produced 200 million tons of it. Now a mecca for tourist, the town of
Kennicott was abandoned to the ghosts when the copper ran out.
According to the passage, which of the following illustrates the correct sequence of events? Ans- copper
drew prospectors, copper ran out, town abandoned, tourist attraction
Physicists seek out those features of nature that are simple and universal. The secret of their success is
not so much a matter of finding answers as it is asking the right questions. The trick is keeping the
questions simple and sticking to universal phenomena. Simple questions can be answered
unambiguously by careful observation of repeated experiments and by logical thinking.
Which of the following questions is most clearly an example of the kind discussed in the paragraph? Ans-
How fast do stones of particular size fall?
An allergy is a hypersensitivity to substances that are essentially harmless. For as yet poorly understood
reasons, the immune system malfunctions and marshals up an army of antibodies to fight these
substances. For many allergies, this malfunction causes a large amount of histamine to flood into the
bloodstream. It is overabundance of histamine that causes allergic symptoms such as headaches, rashes,
and sneezing.
The passage states all of the following about allergies EXCEPT Ans- medical science does not fully
understand why the body has an allergic reaction to certain substamce
Your heart's mitral valve does an awfully big job. Letting blood from the left atrium of the heart into the
left ventricle without losing a drop is one of the toughest task in the circulatory system. In fact, if the
system was suddenly opened at the point, the force of the valve closing would send blood five feet in
the air.
In this passage, the author's purpose is to Ans- convince readers of the stress on the mitral valve
Riding the mail plane is a low-budget way to visit America's largest national park -- Wrangell-St. Elias --
13 million acres of scenic beauty. Copper first drew prospectors to this part of Alaska. From 1911 to
1938, the Kennicott mine produced 200 million tons of it. Now a mecca for tourist, the town of
Kennicott was abandoned to the ghosts when the copper ran out.
According to the passage, which of the following illustrates the correct sequence of events? Ans- copper
drew prospectors, copper ran out, town abandoned, tourist attraction
Physicists seek out those features of nature that are simple and universal. The secret of their success is
not so much a matter of finding answers as it is asking the right questions. The trick is keeping the
questions simple and sticking to universal phenomena. Simple questions can be answered
unambiguously by careful observation of repeated experiments and by logical thinking.
Which of the following questions is most clearly an example of the kind discussed in the paragraph? Ans-
How fast do stones of particular size fall?
An allergy is a hypersensitivity to substances that are essentially harmless. For as yet poorly understood
reasons, the immune system malfunctions and marshals up an army of antibodies to fight these
substances. For many allergies, this malfunction causes a large amount of histamine to flood into the
bloodstream. It is overabundance of histamine that causes allergic symptoms such as headaches, rashes,
and sneezing.
The passage states all of the following about allergies EXCEPT Ans- medical science does not fully
understand why the body has an allergic reaction to certain substamce
