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प्रश्न
Enumerate the damage to humans, animals and plants caused due to ozone depletion.
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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
APPEARS IN
संबंधित प्रश्न
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.
What is ozone?
The depletion of ozone layer in the upper atmosphere is mainly due to the emission of :
(a) unburnt hydrocarbons
(b) chlorofluorocarbons
(c) greenhouse gases
(d) ultraviolet radiations
Which class of carbon compounds is responsible for the depletion of ozone layer at the higher level of the atmosphere?
Why is ozone layer called ozone umbrella/shield?
Which of the following harmful radiation is absorbed by the ozone layer of the stratosphere?
Match the items in column I with the closely related ones in column II.
| Column l | Column lI | ||
| (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 |
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
Name or state the following:
An atmospheric pollutant responsible for both global warming and ozone depletion.
Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?
- Peptic ulcers
- Eye disease like cataract
- Damage to lungs
- Skin cancer
