Can You Pass Our Reading Comprehension Quiz?

1

The passage is adapted from a speech delivered by Congresswoman Barbara Jordan of Texas on July 25, 1974. She was a member of the Judiciary Committee of the United States House of Representatives. In the passage, Jordan discusses how and when a United States president may be impeached, or charged with serious offenses while in office. Jordan’s speech was delivered in the context of impeachment hearings against then President Richard M. Nixon. "Today, I am an inquisitor. An hyperbole would not be fictional and would not overstate the solemnness that I feel right now. My faith in the Constitution is whole; it is complete; it is total. And I am not going to sit here and be an idle spectator to the diminution, the subversion, the destruction, of the Constitution. “Who can so properly be the inquisitors for the nation as the representatives of the nation themselves?” “The subjects of its jurisdiction are those offenses which proceed from the misconduct of public men.”* And that’s what we’re talking about. In other words, [the jurisdiction comes] from the abuse or violation of some public trust. It is wrong, I suggest, it is a misreading of the Constitution for any member here to assert that for a member to vote for an article of impeachment means that that member must be convinced that the President should be removed from office. The Constitution doesn’t say that. The powers relating to impeachment are an essential check in the hands of the body of the legislature against and upon the encroachments of the executive. The division between the two branches of the legislature, the House and the Senate, assigning to the one the right to accuse and to the other the right to judge—the framers of this Constitution were very astute. They did not make the accusers and the judges . . . the same person." How would you describe Jordan’s goals in this passage?

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To discuss the Constitution
To set forth her role and the role of other house members in the proceedings
To convince others to impeach Nixon
To convince others not to impeach Nixon

2

In the sentence “The division between the two branches of the legislature,” “division” most nearly means...

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Part of something
Conflict
Separation

3

The main rhetorical effect of the phrase “an hyperbole would not be fictional” is...

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To show that she is exaggerating for effect
To establish the facts
To head off possible arguments
To show the intensity of the situation

4

“In 1996, a loggerhead turtle called Adelita swam across 9,000 miles from Mexico to Japan, crossing the entire Pacific on her way. Wallace J. Nichols tracked this epic journey with a satellite tag. But Adelita herself had no such technology at her disposal. How did she steer a route across two oceans to find her destination? Nathan Putman has the answer. By testing hatchling turtles in a special tank, he has found that they can use the Earth’s magnetic field as their own Global Positioning System (GPS). By sensing the field, they can work out both their latitude and longitude and head in the right direction. Putman works in the lab of Ken Lohmann, who has been studying the magnetic abilities of loggerheads for over 20 years. In his lab at the University of North Carolina, Lohmann places hatchlings in a large water tank surrounded by a large grid of electromagnetic coils. In 1991, he found that the babies started swimming in the opposite direction if he used the coils to reverse the direction of the magnetic field around them. They could use the field as a compass to get their bearing. Later, Lohmann showed that they can also use the magnetic field to work out their position. For them, this is literally a matter of life or death. Hatchlings born off the sea coast of Florida spend their early lives in the North Atlantic gyre, a warm current that circles between North America and Africa. If they’re swept towards the cold waters outside the gyre, they die. Their magnetic sense keeps them safe. Using his coil-surrounded tank, Lohmann could mimic the magnetic field at different parts of the Earth’s surface. If he simulated the field at the northern edge of the gyre, the hatchlings swam southwards. If he simulated the field at the gyre’s southern edge, the turtles swam west-northwest. These experiments showed that the turtles can use their magnetic sense to work out their latitude—their position on a north-south axis. Now, Putman has shown that they can also determine their longitude—their position on an east-west axis. He tweaked his magnetic tanks to simulate the fields in two positions with the same latitude at opposite ends of the Atlantic. If the field simulated the west Atlantic near Puerto Rico, the turtles swam northeast. If the field matched that on the east Atlantic near the Cape Verde Islands, the turtles swam southwest. In the wild, both headings would keep them within the safe, warm embrace of the North Atlantic gyre. Before now, we knew that several animal migrants, from loggerheads to reed warblers to sparrows, had some way of working out longitude, but no one knew how. By keeping the turtles in the same conditions, with only the magnetic fields around them changing, Putman clearly showed that they can use these fields to find their way. In the wild, they might well also use other landmarks like the position of the sea, sun and stars. Putman thinks that the turtles work out their position using two features of the Earth’s magnetic field that change over its surface. They can sense the field’s inclination, or the angle at which it dips towards the surface. At the poles, this angle is roughly 90 degrees and at the equator, it’s roughly zero degrees. They can also sense its intensity, which is strongest near the poles and weakest near the Equator. Different parts of the world have unique combinations of these two variables. Neither corresponds directly to either latitude or longitude, but together, they provide a “magnetic signature” that tells the turtle where it is.” Based on your understanding of this passage, how did Adelita navigate on her journey?

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GPS
A satellite tag
The magnetic signature of the earth
Electromagnets

5

In this passage, how is “magnetic signature” defined?

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The inclination and intensity of Earth’s magnetic field
Simulation of a gyre field
The stars, sun, and sky that turtles use to position themselves
The position on an east-west axis

6

How would you describe the relationship between the research Lohmann did and the research Putnam did?

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Lohmann shared Putnam’s research
Putnam built on Lohmann’s research
Lohmann contradicted Putnam’s research
Putnam trained Lohmann

7

Why does the article mention the gyre in the North Atlantic?

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To contrast the turtles in the wild with the turtles in the lab
To show the distance the turtles swim
To illustrate the importance of the turtles’ magnetic abilities
To show where the turtles must swim

8

Which phrase gives the best evidence for your answer to the previous question?

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If the field simulated the west Atlantic near Puerto Rico, the turtles swam northeast. If the field matched that on the east Atlantic near the Cape Verde Islands, the turtles swam southwest.
For them, this is literally a matter of life or death.
In the wild, both headings would keep them within the safe, warm embrace of the North Atlantic gyre.
Different parts of the world have unique combinations of these two variables.

9

How did Putnam determine that it was definitely magnetic fields that allow the turtles to find their bearings?

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By creating a tank surrounded by electromagnetic coils
By comparing them with other animals
By testing other variables
By keeping the turtles in the same conditions, with only the magnetic fields around them changing

10

This passage is adapted from J. D. Watson and F. H. C. Crick, “Genetical Implications of the Structure of Deoxyribonucleic Acid.” ©1953 by Nature Publishing Group. Watson and Crick deduced the structure of DNA using evidence from Rosalind Franklin and R. G. Gosling’s X-ray crystallography diagrams of DNA and from Erwin Chargaff’s data on the base composition of DNA. “The chemical formula of deoxyribonucleic acid (DNA) is now well established. The molecule is a very long chain, the backbone of which consists of a regular alternation of sugar and phosphate groups. To each sugar is attached a nitrogenous base, which can be of four different types. Two of the possible bases—adenine and guanine—are purines, and the other two—thymine and cytosine—are pyrimidines. So far as is known, the sequence of bases along the chain is irregular. The monomer unit, consisting of phosphate, sugar and base, is known as a nucleotide. The first feature of our structure which is of biological interest is that it consists not of one chain, but of two. These two chains are both coiled around a common fiber axis. It has often been assumed that since there was only one chain in the chemical formula there would only be one in the structural unit. However, the density, taken with the X-ray evidence, suggests very strongly that there are two. The other biologically important feature is the manner in which the two chains are held together. This is done by hydrogen bonds between the bases. The bases are joined together in pairs, a single base from one chain being hydrogen-bonded to a single base from the other. The important point is that only certain pairs of bases will fit into the structure. One member of a pair must be a purine and the other a pyrimidine in order to bridge between the two chains. If a pair consisted of two purines, for example, there would not be room for it. We believe that the bases will be present almost entirely in their most probable forms. If this is true, the conditions for forming hydrogen bonds are more restrictive, and the only pairs of bases possible are: adenine with thymine, and guanine with cytosine. Adenine, for example, can occur on either chain; but when it does, its partner on the other chain must always be thymine. The phosphate-sugar backbone of our model is completely regular, but any sequence of the pairs of bases can fit into the structure. It follows that in a long molecule many different permutations are possible, and it therefore seems likely that the precise sequence of bases is the code which carries the genetical information. If the actual order of the bases on one of the pair of chains were given, one could write down the exact order of the bases on the other one, because of the specific pairing. Thus one chain is, as it were, the complement of the other, and it is this feature which suggests how the deoxyribonucleic acid molecule might duplicate itself.” In this passage, the word “backbone” most nearly means:

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The foundation of DNA
The main structure of DNA
The strongest part of DNA
The back of DNA

11

What are the two biologically important features the authors refer to?

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The two chains and the hydrogen bonds between them
The helix shape and the purine pairs
The two chains and the purine pairs
The helix shape and the hydrogen bonds

12

In this passage, the word “complement” most nearly means:

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A thing that completes or brings to perfection.
A number or quantity of something, especially that required to make a group complete.
Add to (something) in a way that enhances or improves it; make perfect.
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