RLA Main Idea and Details 3 — Questions and Answers
Question 1: A paragraph describes how recycling reduces landfill waste, conserves natural resources, and cuts greenhouse gas emissions. What is the main idea?
- Landfills are a major environmental problem in the US.
- Recycling benefits the environment in multiple ways. (Correct answer)
- Greenhouse gases are the leading cause of climate change.
- Natural resources are becoming increasingly scarce.
Correct answer: Recycling benefits the environment in multiple ways.
All three details—waste, resources, and emissions—illustrate different environmental benefits of recycling.
Question 2: An author writes a passage about how smartphones affect sleep. Which detail would be IRRELEVANT to the main idea?
- Blue light from screens suppresses melatonin production.
- Notifications wake people during the night.
- The first smartphone was released in 1992. (Correct answer)
- Scrolling before bed keeps the brain alert.
Correct answer: The first smartphone was released in 1992.
When the first smartphone was released is a historical fact unrelated to how smartphones affect sleep.
Question 3: Which strategy helps a reader identify the main idea of a long passage?
- Read only the first sentence of the passage.
- Count how many times each word appears.
- Summarize each paragraph, then find what they all share. (Correct answer)
- Skip paragraphs that contain unfamiliar vocabulary.
Correct answer: Summarize each paragraph, then find what they all share.
Summarizing each paragraph and finding the common thread reveals the main idea of the entire passage.
Question 4: A passage reads: 'Some animals migrate thousands of miles. Others hibernate through winter. A few store food to survive cold months.' What main idea do these details support?
- Migration is dangerous for many animal species.
- Animals have developed various strategies to survive winter. (Correct answer)
- Hibernation is the most effective survival technique.
- Cold climates reduce biodiversity significantly.
Correct answer: Animals have developed various strategies to survive winter.
Migration, hibernation, and food storage are all survival strategies, making that the unifying main idea.
Question 5: If the main idea of a passage is 'Water conservation is essential,' which title best reflects this?
- A Brief History of Plumbing
- Why Every Drop Counts: Saving Water (Correct answer)
- Famous Droughts in American History
- How Water Treatment Plants Work
Correct answer: Why Every Drop Counts: Saving Water
'Why Every Drop Counts' directly conveys the importance of saving water, matching the main idea.
Question 6: A reader notices that every paragraph in a passage mentions urban noise. This observation suggests that:
- The author is biased against city living.
- Urban noise is likely the topic of the entire passage. (Correct answer)
- The passage lacks clear organization.
- Only one paragraph contains the main idea.
Correct answer: Urban noise is likely the topic of the entire passage.
When a theme repeats across all paragraphs, it signals that theme is the central topic or main idea.
Question 7: A passage about libraries includes: hours of operation, types of programs offered, and history of the local branch. The MAIN IDEA is most likely:
- Libraries provide diverse resources and services to the community. (Correct answer)
- Libraries are open six days a week.
- The local library branch was founded in 1923.
- Story time programs attract the most visitors.
Correct answer: Libraries provide diverse resources and services to the community.
The broad claim that libraries offer diverse resources ties together details about hours, programs, and history.
RLA Main Idea and Details 3
A paragraph describes how recycling reduces landfill waste, conserves natural resources, and cuts greenhouse gas emissions.
What is the main idea?