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प्रश्न
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
विकल्प
(i) and (ii)
(ii) and (iv)
(i) and (iii)
(iii) and (iv)
उत्तर
(i) and (iii)
APPEARS IN
संबंधित प्रश्न
What is the function of ozone in the upper atmosphere?
What are the causes of depletion of ozone layer? Which diseases are likely to be caused if the ozone layer will become thinner?
How is ozone formed in the higher level of atmosphere?
“Damage to the ozone layer is a cause of concern”. Justify this statement.
Why is ozone layer called ozone umbrella/shield?
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 |
The chemicals leading to the formation of ozone holes.
Enumerate the damage to humans, animals and plants caused due to ozone depletion.
Acid rain is caused by the oxides of ______.
State the essential function performed by ozone at the higher levels of the atmosphere.
