Questions of the TOEFL iBT Reading Comprehension Practice Test 021

Question 1. According to the paragraph, what is the primary cause of global warming?
A) Increased levels of oxygen in the atmosphere
B) Increased levels of nitrogen in the atmosphere
C) Increased levels of greenhouse gases in the atmosphere, such as CO2
D) Decreased levels of greenhouse gases in the atmosphere

Question 2. According to the paragraph, which of the following is NOT true?
A) Global warming is a significant environmental and societal challenge.
B) The primary cause of global warming is the increasing levels of greenhouse gases in the atmosphere.
C) Rising sea levels are not a significant consequence of global warming.
D) The reduction of greenhouse gas emissions is a critical component of efforts to address global warming.

Question 3. The author mentions all of the following EXCEPT:
A) The primary sources of greenhouse gas emissions are the burning of fossil fuels and deforestation.
B) Rising sea levels are a significant consequence of global warming.
C) The development of renewable energy sources is not an important component of efforts to address global warming.
D) The promotion of energy efficiency is a critical component of efforts to address global warming.

Question 4. Which of the following can be inferred from the paragraph about global warming?
A) The primary cause of global warming is the depletion of the ozone layer.
B) Global warming has no significant impact on plants and animals.
C) Rising sea levels are one of the significant consequences of global warming.
D) The burning of fossil fuels has decreased in recent decades.

Question 5. The author of the paragraph implies that:
A) The reduction of greenhouse gas emissions is not necessary to address global warming.
B) The increase in the levels of greenhouse gases is due to natural causes.
C) Deforestation and land-use changes are contributing factors to the increase in greenhouse gas emissions.
D) The consequences of global warming are limited to changes in weather patterns.

Question 6. Why does the author mention the burning of fossil fuels in the paragraph?
A) To highlight the benefits of burning fossil fuels for energy.
B) To suggest that burning fossil fuels is the only cause of global warming.
C) To explain the primary source of greenhouse gas emissions.
D) To argue against the use of renewable energy sources.

Question 7. Why does the author include information about the consequences of global warming in the paragraph?
A) To suggest that global warming has no significant impact on society and the environment.
B) To highlight the need for immediate action to address global warming.
C) To argue against the adoption of renewable energy sources.
D) To suggest that rising sea levels are not a significant consequence of global warming.

Question 8. The word "indirect" in the passage is closest in meaning to:
A) Insignificant
B) Secondary
C) Direct
D) Obvious

Question 9. In stating that rising sea levels threaten to inundate coastal communities, the author means that:
A) Rising sea levels will have no impact on coastal communities.
B) Rising sea levels will cause significant economic damage.
C) Rising sea levels will lead to the extinction of certain species.
D) Rising sea levels will cause the displacement of millions of people.

Question 10.