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प्रश्न
Give reason for the following:
Destruction of ozone layer is harmful for both humans and plants.
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उत्तर
Damage cause due to ozone depletion to humans:
- Sun burn and skin cancer
- Disruption in function of DNA
- Early aging of skin
- weakening of immune system
- eye cataract and eye damage
Animals: Severe damage to cells of animals and all the damages caused to humans as above.
Plants:
- Retards plant growth.
- Reduces chlorophyll content
- inhibits pollen germination
- Disrupts ecosystem, quality of vegetables
- increases harmful mutations
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संबंधित प्रश्न
How depletion of the ozone layer affect living organisms?
You have been selected to talk on 'ozone layer and its protection" in the school assembly on 'Environment Day.'
(a) Why should ozone layer be protected to save the environment?
(b) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.
How is ozone formed in the higher level of atmosphere?
Match the items in column I with the closely related ones in column II.
| Column I | Column II | ||
| (i) | Chlorofluorocarbons (CFCs) | (a) | Global warming |
| (ii) | Fly ash | (b) | Biodegradable |
| (iii) | Cow dung | (c) | Nuclear radiation pollutant |
| (iv) | CO2 and methane | (d) | Acid rain |
| (v) | Sulphur dioxide | (e) | Industrial waste |
| (vi) | Iodine-131 | (f) | Ozone depletion |
What is Ozone?
True or False:
Ozone in the Troposphere is a harmful pollutant.
Name the chemicals responsible for destruction of the ozone layer. State the main chemical from these chemicals, which is responsible for more than 80% ozone depletion.
The substance which is chiefly responsible for the depletion of ozone layer is ______.
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
Which one of the following is measured in Dobson units (DU)?
