Unseen Passage for Class 10 in English

Unseen Passage Example

Global warming is one of the most significant challenges facing the world today. It refers to the gradual increase in Earth's average surface temperature due to the buildup of greenhouse gases in the atmosphere. These gases, including carbon dioxide, methane, and nitrous oxide, trap heat from the sun, preventing it from escaping back into space. This process is known as the greenhouse effect.

The primary cause of global warming is human activity, particularly the burning of fossil fuels like coal, oil, and natural gas for energy. Deforestation also plays a major role, as trees absorb carbon dioxide during photosynthesis. When forests are cleared for agriculture or urban development, this natural absorption process is disrupted, leading to higher levels of carbon dioxide in the atmosphere.

The effects of global warming are already being felt around the world. Rising sea levels, caused by the melting of polar ice caps and glaciers, threaten coastal communities. Extreme weather events, such as hurricanes, droughts, and floods, are becoming more frequent and severe. Additionally, global warming is disrupting ecosystems, endangering species that cannot adapt to changing conditions.

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To address global warming, countries need to work together to reduce greenhouse gas emissions. This can be achieved by transitioning to renewable energy sources like wind, solar, and hydroelectric power. Governments can also implement policies to promote energy efficiency and conservation. On an individual level, people can contribute by reducing their carbon footprint, for example, by using public transport, recycling, and planting trees.

It is crucial to act quickly to mitigate the effects of global warming. By taking collective responsibility, we can ensure a sustainable future for generations to come.

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Unseen Passage for Class 10 - Questions and Answers

Q1. What is global warming, and what causes it?

Answer: Global warming is the gradual increase in Earth's average surface temperature. It is caused by the buildup of greenhouse gases like carbon dioxide, methane, and nitrous oxide in the atmosphere due to human activities, such as burning fossil fuels and deforestation.

Q2. What are greenhouse gases? List three examples.

Answer: Greenhouse gases trap heat from the sun in the atmosphere, contributing to the greenhouse effect. Examples include carbon dioxide, methane, and nitrous oxide.

Q3. Mention two major effects of global warming.

Answer: Two major effects of global warming are:

1. Rising sea levels due to melting polar ice caps and glaciers.

2. More frequent and severe extreme weather events like hurricanes and droughts.

Q4. How does deforestation contribute to global warming?

Answer: Deforestation contributes to global warming by reducing the number of trees that absorb carbon dioxide during photosynthesis. This leads to higher levels of carbon dioxide in the atmosphere.

Q5. Suggest three ways individuals can help reduce global warming.

Answer: Individuals can help reduce global warming by:

1. Using public transport or carpooling to reduce carbon emissions.

2. Recycling and reducing waste.

3. Planting trees to absorb carbon dioxide.

Tips for Solving Unseen Passages

1. Read the Passage Carefully: Skim the passage for an overall understanding, then reread it to focus on specific details.

2. Highlight Key Points: Mark important facts, numbers, and keywords in the passage.

3. Understand the Questions: Read each question carefully and identify what is being asked.

4. Refer Back to the Passage: Find answers directly in the text to ensure accuracy.

5. Use Your Own Words: When possible, paraphrase answers instead of copying text directly.