IREAD - Indiana Reading Evaluation and Determination Nonfiction: Main Idea & Details Questions and Answers 1 — Questions and Answers
Question 1: Read the paragraph below. Giraffes are the tallest mammals on Earth. Their long legs and necks help them reach leaves high up in trees, which are their favorite food. A giraffe's coat has a unique pattern of spots, much like a human's fingerprint. These spots help them blend in with their surroundings to hide from predators. Even with their great height, giraffes can run very fast when they need to. What is the main idea of this paragraph?
- Giraffes can run very fast.
- Giraffes have unique spot patterns.
- Giraffes are tall mammals with special features. (Correct answer)
- Giraffes like to eat leaves from tall trees.
Correct answer: Giraffes are tall mammals with special features.
The correct answer is that giraffes are tall mammals with special features. The other sentences are supporting details that describe these features, such as their height for reaching food, their spot patterns for camouflage, and their speed. The main idea is the most general statement that all the other sentences support.
Question 2: A student is reading a chapter in a science book about planets. The first sentence of a paragraph is: 'Mars is often called the Red Planet.' Which of the following sentences would MOST likely be a supporting detail in this paragraph?
- Jupiter is the largest planet in our solar system.
- The soil on Mars is red because it contains iron oxide, or rust. (Correct answer)
- Some planets, like Earth, have one moon.
- Astronauts hope to one day travel to Mars.
Correct answer: The soil on Mars is red because it contains iron oxide, or rust.
The main idea introduced in the topic sentence is about Mars being called the 'Red Planet'. A supporting detail will give more information about this main idea. The sentence explaining that the soil is red due to iron oxide directly supports and explains why Mars has its nickname. The other options discuss different planets or unrelated facts about space travel.
Question 3: Which of the following best explains the relationship between a main idea and supporting details in a nonfiction text?
- The main idea is an interesting fact, and the details are opinions.
- The main idea and the details are all equally important facts.
- The details are the most important part, and the main idea is just an introduction.
- The main idea is the central point, and the details provide evidence or examples. (Correct answer)
Correct answer: The main idea is the central point, and the details provide evidence or examples.
In nonfiction writing, the main idea is the central point or message the author is trying to convey. The supporting details are the facts, examples, reasons, and explanations that back up and prove the main idea.
Question 4: Read the passage below. (1) The monarch butterfly is a fascinating insect. (2) Every year, monarchs travel thousands of miles from the northern United States and Canada to Mexico for the winter. (3) This long journey is called a migration. (4) Along the way, they eat nectar from flowers to get the energy they need. Which sentence from the passage states the main idea?
- Sentence 2
- Sentence 3
- Sentence 1 (Correct answer)
- Sentence 4
Correct answer: Sentence 1
Sentence 1, 'The monarch butterfly is a fascinating insect,' is the main idea. The other sentences provide specific, interesting details (traveling thousands of miles, the name of the journey, what they eat) that support the idea that the monarch is fascinating.
Question 5: A passage describes how to build a model airplane. It includes steps like gluing the wings, attaching the wheels, and painting the body. What would be the BEST title for this passage, representing its main idea?
- The History of Airplanes
- How to Construct a Model Airplane (Correct answer)
- Different Types of Glue
- Flying Your New Toy
Correct answer: How to Construct a Model Airplane
The title of a nonfiction text often states the main idea. Since the details provided are all steps in the process of building a model airplane, the title 'How to Construct a Model Airplane' best summarizes the main idea of the entire passage.
Question 6: Read the paragraph below. Recycling is very important for our planet. When we recycle paper, we save trees from being cut down. Recycling plastic and metal means that factories don't have to use as much energy to make new items. This helps reduce pollution. Putting items in the recycling bin keeps them out of landfills, which are running out of space. Which sentence is a supporting detail, NOT the main idea?
- Recycling is very important for our planet.
- Everyone should try to recycle more.
- When we recycle paper, we save trees from being cut down. (Correct answer)
- Recycling helps the Earth in many ways.
Correct answer: When we recycle paper, we save trees from being cut down.
The main idea is that recycling is important. The sentence 'When we recycle paper, we save trees from being cut down' is a specific example, or supporting detail, that explains one reason WHY recycling is important. The other options are all different ways of stating the main idea.
Read the paragraph below.
Giraffes are the tallest mammals on Earth.
Their long legs and necks help them reach leaves high up in trees, which are their favorite food.
A giraffe's coat has a unique pattern of spots, much like a human's fingerprint.
These spots help them blend in with their surroundings to hide from predators.
Even with their great height, giraffes can run very fast when they need to.
What is the main idea of this paragraph?