Rise Placement Test Identifying Main Ideas 2 — Questions and Answers
Question 1: A paragraph begins: 'Despite advances in renewable energy, fossil fuels still account for over 80% of global energy consumption. Coal, oil, and natural gas remain dominant due to existing infrastructure and lower upfront costs.' What is the main idea?
- Renewable energy is advancing rapidly.
- Fossil fuels continue to dominate global energy use. (Correct answer)
- Coal is the most widely used fossil fuel.
- Infrastructure costs are rising worldwide.
Correct answer: Fossil fuels continue to dominate global energy use.
The paragraph's central point is that fossil fuels remain dominant despite progress in renewables.
Question 2: Which technique best helps a reader identify the main idea of an expository passage?
- Memorizing every statistic mentioned
- Finding the sentence that most other sentences support or explain (Correct answer)
- Reading only the first word of each sentence
- Counting which word appears most frequently
Correct answer: Finding the sentence that most other sentences support or explain
The main idea is the claim or statement that the other sentences in the passage support, explain, or elaborate on.
Question 3: A passage discusses the history of jazz, its African American origins, its influence on rock and roll, and its global spread. What is most likely the main idea?
- Rock and roll borrowed heavily from jazz.
- Jazz has had a broad and lasting impact on music worldwide. (Correct answer)
- Jazz originated in African American communities.
- Jazz is now popular in many countries.
Correct answer: Jazz has had a broad and lasting impact on music worldwide.
The passage covers multiple aspects of jazz's influence, so the main idea encompasses its broad and lasting global impact.
Question 4: Read: 'Smartphones have transformed communication, entertainment, and commerce. Today, billions of people use them for everything from banking to streaming movies.' The supporting detail is:
- Smartphones have transformed communication, entertainment, and commerce.
- Billions use smartphones for banking and streaming. (Correct answer)
- Technology changes society.
- Mobile phones replaced landlines.
Correct answer: Billions use smartphones for banking and streaming.
The first sentence states the main idea; the second provides specific examples that support it.
Question 5: In a multi-paragraph article, where is the thesis (main idea of the whole piece) most commonly located?
- In the final body paragraph
- In a footnote or caption
- In the introduction, often at the end of the first paragraph (Correct answer)
- Spread evenly throughout all paragraphs
Correct answer: In the introduction, often at the end of the first paragraph
Writers typically state their thesis near the end of the introductory paragraph to orient the reader.
Question 6: A student reads a passage and summarizes it as 'Exercise is good.' The teacher says the summary is too vague. What should the student do?
- List every fact from the passage instead
- Add more specific language about what kind of exercise and why it is beneficial (Correct answer)
- Use the exact words from the passage without paraphrasing
- Shorten the summary to one word
Correct answer: Add more specific language about what kind of exercise and why it is beneficial
A good main idea summary captures the specific focus of the passage, not just a broad generic statement.
Question 7: Which of the following is an implied main idea rather than a stated one?
- The topic sentence reads: 'Air pollution is a serious public health crisis.'
- A passage about traffic, factory smoke, and health statistics never directly says pollution is dangerous, but all details point to that conclusion. (Correct answer)
- The author writes: 'In conclusion, we must act on climate change.'
- The headline states: 'Rising Temperatures Threaten Ecosystems.'
Correct answer: A passage about traffic, factory smoke, and health statistics never directly says pollution is dangerous, but all details point to that conclusion.
An implied main idea is one the reader must infer from the details because the author never states it directly.
Rise Placement Test Identifying Main Ideas 2
A paragraph begins: 'Despite advances in renewable energy, fossil fuels still account for over 80% of global energy consumption.
Coal, oil, and natural gas remain dominant due to existing infrastructure and lower upfront costs.' What is the main idea?