Directions: In each of the following sentences, the underlined portion may contain a parallelism error. If there is no error, then choice A is correct.

1. Black holes, collapsed stars whose massive gravitational pull traps even light, are invisible to telescopes but have been detected by sighting the swirling eddies of gas being swallowed by the black holes.

  1. are invisible to telescopes but have been detected by sighting
  2. is invisible to telescopes but detectable by sighting
  3. are invisible to telescopes but detectable by the sight of
  4. are invisible to telescopes but were detected by the sight of
  5. is invisible to telescopes even though they can be detected by the sight of

2. In contrast to the bongo, which was invented in Latin America, West Africa is the home of the djembe, a large, single headed drum with a goblet shape.

  1. West Africa is the home of the djembe
  2. West Africa is home to the djembe
  3. West Africa was the home of the djembe
  4. the djembe originated in West Africa
  5. the djembe has a home in West Africa

3. To the chagrin of those who favor nurture over nature as the origin of human behavior, none of the studies on poverty explain why some of the people who grew up in poverty can escape it, while so many others who do cannot.

  1. while so many others who do cannot
  2. while so many other people who did so do not
  3. while so many others who did cannot
  4. although so many people who did were not able to
  5. although a great many people were not able to

4. Youth beauty pageants, in which contestants as young as five years old strut, sashay, and are preening themselves before a stable of judges, have aroused concern among child safety advocates.

  1. as young as five years old strut, sashay, and are preening themselves before a stable of judges
  2. so young as five years old strut and sashay and preen themselves in front of a stable of judges
  3. as young as five years old strut, sashay, and preen in front of a stable of judges
  4. as young as five years old are strutting, sashaying, and are preening themselves before a stable of judges
  5. so young as five years old strut, sashay, and preen before a stable of judges

5. Einstein’s great revelation was that a beam of light would not appear the same to an observer on a moving train as to a person watching from the tracks.

  1. as to a person
  2. as it would to a person
  3. as it would for a person
  4. as a person would see it
  5. as if a person would see it

Answers

  1. A
  2. D
  3. C
  4. C
  5. B