Advertisements
Advertisements
Question
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
Advertisements
Solution
The Stratosphere is the layer of the atmosphere that contains the protective ozone layer
RELATED QUESTIONS
What is UNEP?
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
How is ozone formed in the higher level of atmosphere?
Which compounds are responsible for the depletion of ozone layer?
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 |
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
Number of Oxygen atom in Ozone.
How is the ‘ozone oxygen cycle’ maintained in the stratosphere and state what disturbs the balance, resulting in ozone depletion or destruction, Give balanced equation for the same.
State the role of chlorofluorocarbons in ozone destruction or depletion [no equations required].
What is exactly measured in Dobson units or DU?
