Super TET Exam  >  Super TET Videos  >  Science for Super TET  >  Ozone Layer & its Depletion

Ozone Layer & its Depletion Video Lecture | Science for Super TET

59 videos|118 docs|73 tests

FAQs on Ozone Layer & its Depletion Video Lecture - Science for Super TET

1. What is the ozone layer and why is it important?
Ans. The ozone layer is a layer of ozone gas located in the Earth's stratosphere, approximately 10 to 50 kilometers above the Earth's surface. It plays a crucial role in protecting life on Earth by absorbing most of the sun's ultraviolet (UV) radiation, which is harmful to living organisms.
2. What causes the depletion of the ozone layer?
Ans. The depletion of the ozone layer is primarily caused by the release of certain chemicals into the atmosphere, known as ozone-depleting substances (ODS). These include chlorofluorocarbons (CFCs), halons, carbon tetrachloride, and methyl chloroform. When released, these substances rise into the stratosphere and undergo chemical reactions that break down ozone molecules.
3. How does the depletion of the ozone layer affect us?
Ans. The depletion of the ozone layer leads to an increase in the amount of UV radiation reaching the Earth's surface. This can have detrimental effects on human health, such as increased risk of skin cancer, cataracts, and weakened immune systems. It can also harm ecosystems, including marine life, crops, and the overall balance of the Earth's climate.
4. What measures have been taken to address the depletion of the ozone layer?
Ans. The international community has taken several measures to address the depletion of the ozone layer. The most significant is the Montreal Protocol on Substances that Deplete the Ozone Layer, which was signed in 1987. It aims to phase out the production and consumption of ozone-depleting substances through a gradual reduction process. Many countries have also implemented regulations and policies to control the use and release of these substances.
5. Is the ozone layer recovering?
Ans. Yes, there is evidence that the ozone layer is slowly recovering. Due to the implementation of the Montreal Protocol and subsequent amendments, the production and consumption of ozone-depleting substances have significantly decreased. As a result, the ozone hole over Antarctica has been gradually shrinking. However, it is expected to take several more decades for a full recovery of the ozone layer to occur. Regular monitoring and continued efforts are necessary to ensure its protection.
59 videos|118 docs|73 tests
Explore Courses for Super TET exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Download the FREE EduRev App
Track your progress, build streaks, highlight & save important lessons and more!
Related Searches

pdf

,

past year papers

,

Objective type Questions

,

Exam

,

Extra Questions

,

Important questions

,

MCQs

,

Free

,

video lectures

,

Ozone Layer & its Depletion Video Lecture | Science for Super TET

,

shortcuts and tricks

,

Ozone Layer & its Depletion Video Lecture | Science for Super TET

,

Sample Paper

,

Semester Notes

,

study material

,

Previous Year Questions with Solutions

,

mock tests for examination

,

Viva Questions

,

Summary

,

Ozone Layer & its Depletion Video Lecture | Science for Super TET

,

ppt

,

practice quizzes

;