Class 10 Exam > Class 10 Videos > Science Class 10 > Ozone Layer
Ozone Layer Video Lecture | Science Class 10
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FAQs on Ozone Layer Video Lecture - Science Class 10
| 1. What is the ozone layer? |  |
Ans. The ozone layer is a region of the Earth's stratosphere that contains a high concentration of ozone molecules. It acts as a protective shield against harmful ultraviolet (UV) radiation from the sun.
| 2. Why is the ozone layer important? | |
Ans. The ozone layer is crucial as it absorbs most of the sun's harmful UV radiation, preventing it from reaching the Earth's surface. This protection is vital for the health and well-being of humans, animals, and plants, as excessive exposure to UV radiation can cause skin cancer, cataracts, and harm marine ecosystems.
| 3. What causes the depletion of the ozone layer? | |
Ans. The primary cause of ozone layer depletion is the release of certain chemicals, known as ozone-depleting substances (ODS), such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). These chemicals are commonly found in aerosol sprays, refrigerants, and foam-blowing agents.
| 4. How does ozone depletion affect climate change? | |
Ans. Ozone depletion can indirectly contribute to climate change. Ozone-depleting substances are also potent greenhouse gases, meaning they trap heat in the atmosphere. As the ozone layer thins, these substances can accumulate in the lower atmosphere, contributing to the greenhouse effect and global warming.
| 5. What measures have been taken to protect the ozone layer? | |
Ans. The most significant international effort to protect the ozone layer is the Montreal Protocol, which was signed in 1987. This treaty aimed to phase out the production and consumption of ozone-depleting substances. As a result, the ozone layer has shown signs of recovery, and the production of most ozone-depleting substances has been phased out globally.
About this Video
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Dec 23, 2024 Last updated |
Video Description: Ozone Layer for Class 10 2024 is part of Science Class 10 preparation.
The notes and questions for Ozone Layer have been prepared according to the Class 10 exam syllabus.
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Video Lecture & Questions for Ozone Layer Video Lecture | Science Class 10 - Class 10 full syllabus preparation | Free video for Class 10 exam to prepare for Science Class 10.
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