IELTS 2026 Main Idea Identification Free Quiz 2

1. Read the passage: "The Amazon rainforest is often called the "lungs of the Earth" because of its crucial role in producing oxygen and absorbing carbon dioxide. It is home to unparalleled biodiversity." What is the main idea?

A. The Amazon is the largest rainforest. B. The Amazon produces oxygen. C. Deforestation is a threat. D. The Amazon is called the "lungs of the Earth" due to its role in oxygen production and carbon absorption.

2. Read the passage: "Scientific research is the foundation of technological progress and innovation. It drives discoveries that transform industries and improve human welfare." What is the main idea?

A. Scientific research is the foundation of technological progress. B. Scientists conduct experiments. C. Technology improves lives. D. Innovation requires funding.

3. Read the passage: "The modern workplace is evolving rapidly, with remote work, automation, and flexible schedules becoming increasingly common. These changes are redefining the nature of employment." What is the main idea?

A. Many people work from home. B. The modern workplace is evolving rapidly. C. Automation is replacing jobs. D. Flexible schedules are popular.

4. Read the passage: "The digital revolution has transformed almost every aspect of modern life, from communication to commerce. It has created new industries and reshaped existing ones." What is the main idea?

A. E-commerce is growing. B. Smartphones are widespread. C. The digital revolution has transformed modern life. D. Online communication is common.

5. Read the passage: "Sustainable development requires balancing economic growth, social equity, and environmental protection. This approach aims to meet present needs without compromising future generations." What is the main idea?

A. Economic growth is important. B. Social equity matters. C. Environmental protection is essential. D. Sustainable development requires balancing economic growth, social equity, and environmental protection.

6. Read the passage: "The field of genetics has advanced rapidly, unlocking the secrets of DNA and revolutionizing medicine. These breakthroughs have led to new treatments and diagnostic tools." What is the main idea?

A. Genetics has advanced rapidly, revolutionizing medicine. B. DNA contains genetic information. C. Gene therapy is a medical breakthrough. D. Genetic testing is becoming common.

7. Read the passage: "Tourism is one of the world's largest industries, generating billions in revenue and creating millions of jobs. It has significant economic and cultural impacts." What is the main idea?

A. Many people travel abroad. B. Tourism is a major global industry. C. Hotels and restaurants benefit from tourism. D. Tourism creates jobs.

8. Read the passage: "Biodiversity loss is a critical environmental issue, threatening ecosystem stability and human well-being. Conservation efforts are urgently needed to protect species and habitats." What is the main idea?

A. Species are becoming extinct. B. Ecosystems are fragile. C. Biodiversity loss is a critical environmental issue. D. Human activity causes biodiversity loss.

9. Read the passage: "The space race between the United States and the Soviet Union during the Cold War led to remarkable technological achievements, including satellite launches and lunar missions." What is the main idea?

A. The Soviet Union launched Sputnik. B. The US landed on the Moon. C. Space exploration was expensive. D. The space race led to remarkable technological achievements.

10. Read the passage: "Public health initiatives have significantly increased life expectancy and reduced mortality rates worldwide. These efforts have transformed global health outcomes." What is the main idea?

A. Public health initiatives have increased life expectancy and reduced mortality. B. Vaccination programs are important. C. Clean water access is essential. D. Health education saves lives.

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