Questions of the TOEFL iBT Reading Comprehension Practice Test 001
Question 1. According to the paragraph, which of the following is a fact about the Solar System?
A) The Solar System contains mostly gas giants.
B) The four inner system planets are substantially larger than the terrestrials.
C) The vast majority of the system's mass is in Jupiter.
D) The majority of the Solar System's mass is in the Sun.
Question 2. According to the paragraph, which of the following is NOT true about the Solar System?
A) The four giant planets of the outer system are substantially larger than the terrestrials.
B) The two largest planets, Jupiter and Saturn, are gas giants.
C) The eight planets have nearly circular orbits.
D) The Solar System is located 26,000 light-years from the center of the Milky Way galaxy.
Question 3. Which of the following can be inferred from the paragraph about the objects in the Solar System?
A) Most of the objects in the Solar System are composed of volatile substances.
B) The Solar System contains only one type of planet.
C) The objects in the Solar System are mainly composed of rock and metal.
D) The Solar System contains a variety of objects composed of different materials.
Question 4. The author of the paragraph implies which of the following is true about the minor planets in the outer reaches of the Solar System?
A) There is a known number of detached objects.
B) Some of these objects are not large enough to be categorized as dwarf planets.
C) There is a consensus among astronomers on the number of dwarf planets.
D) These objects are all composed of ice and rock.
Question 5. Why does the author mention the solar wind in the passage?
A) To explain the creation of the heliosphere.
B) To describe the different types of objects in the Solar System.
C) To explain the location of the Solar System in the Milky Way galaxy.
D) To describe the composition of the major planets.
Question 6. The word "interstellar" in the passage is closest in meaning to:
A) internal
B) between stars
C) extraterrestrial
D) outer space
Question 7. The phrase "gravitationally bound" in the paragraph is closest in meaning to:
A) Moving together
B) Pulling apart
C) Stopped by gravity
D) Repulsed by gravity
Question 8. Which of the following sentences best expresses the essential information in the following sentence? "All eight planets have nearly circular orbits that lie near the plane of Earth's orbit, called the ecliptic."
A) All planets orbit the Earth.
B) The orbits of all eight planets are near the ecliptic.
C) The ecliptic is the orbit of eight planets.
D) The eight planets orbit in nearly circular orbits near the ecliptic.
Question 9. Look at the four letters – (A), (B), (C), and (D), – that indicate where the following sentence can be added to the passage. "Astronomers have identified nine objects as dwarf planets in the Solar System." Where would the sentence best fit?
(A)
(B)
(C)
(D)
Question 10. Complete the summary by selecting the THREE answer choices that express the most important ideas in the passage."The Solar System is a complex and vast system of the Sun and the objects that orbit it."
A) The majority of the Solar System's mass is in the Sun.
B) The four inner system planets are terrestrial and the four giant planets are gas giants or ice giants.
C) The majority of the objects in the asteroid belt are composed of rock, metal, and ice.
D) The heliosphere is a region of interplanetary medium created by the solar wind.
E) The Oort cloud may be the source for long-period comets.
F) The Solar System is located 26,000 light-years from the center of the Milky Way galaxy.
C) The ecliptic is the orbit of eight planets.
D) The eight planets orbit in nearly circular orbits near the ecliptic.
