Questions of the TOEFL iBT Reading Comprehension Practice Test 020

Question 1. According to the paragraph, where is the ozone layer located and what is its role?
A) It is located in the troposphere and protects the Earth's surface from pollution.
B) It is located in the stratosphere and protects the Earth's surface from harmful UV radiation.
C) It is located in the mesosphere and regulates the Earth's temperature.
D) It is located in the ionosphere and affects communication systems.

Question 2. According to the paragraph, which of the following is NOT true about the ozone layer?
A) It was first proposed by Jean Baptiste Fourier.
B) It absorbs high-energy ultraviolet radiation.
C) It is vulnerable to damage from human activities.
D) It is located in the mesosphere.

Question 3. The author mentions all of the following measures to protect the ozone layer EXCEPT:
A) The Montreal Protocol
B) The use of UV-absorbing filters in personal care products
C) The release of chlorofluorocarbons (CFCs)
D) The development and use of environmentally friendly alternatives

Question 4. Which of the following can be inferred from the paragraph about the ozone layer?
A) The ozone layer was discovered in the 20th century by French mathematician and physicist Jean Baptiste Fourier.
B) The ozone layer plays a critical role in protecting the Earth's surface from harmful infrared radiation from the sun.
C) Human activities have caused damage to the ozone layer, leading to increased rates of skin cancer, cataracts, and other health problems.
D) The Montreal Protocol was signed to increase the production and consumption of ozone-depleting substances.

Question 5. Why does the author mention the discovery of the ozone layer by Jean Baptiste Fourier?
A) To highlight the importance of the discovery of the ozone layer by a French scientist.
B) To provide historical context on the discovery of the ozone layer.
C) To criticize the discovery of the ozone layer by Jean Baptiste Fourier.
D) To compare the discovery of the ozone layer by Jean Baptiste Fourier to the discovery of other atmospheric phenomena.

Question 6. Why does the author mention the use of UV-absorbing filters in sunscreens and other personal care products?
A) To promote the use of UV-absorbing filters in sunscreens and other personal care products.
B) To criticize the use of UV-absorbing filters in sunscreens and other personal care products.
C) To suggest that the use of UV-absorbing filters in sunscreens and other personal care products is a recent development.
D) To highlight the importance of the use of UV-absorbing filters in sunscreens and other personal care products in protecting the ozone layer.

Question 7. The word "vulnerable" in the passage is closest in meaning to:
resistant
susceptible
invulnerable
durable

Question 8. B) The phrase "ozone-depleting substances" in the passage is closest in meaning to:
substances that increase the ozone layer's thickness
substances that have no effect on the ozone layer
substances that decrease the ozone layer's thickness
substances that have a neutral effect on the ozone layer

Question 9. Look at the four letters – (A), (B), (C), and (D), – that indicate where the following sentence can be added to the passage. ""The Montreal Protocol has been successful in reducing the production and consumption of ODS, with over 200 countries now participating in the agreement" Where would the sentence best fit?
(A)
(B)
(C)
(D)