The Ozone Layer
Trending Questions
Ionosphere
Mesosphere
Stratosphere
Troposphere
Which layer of the atmosphere prevents the entry of harmful UV rays into the Earth atmosphere?
Mesosphere
Ozone
Clouds
Troposphere
Earth is protected from ultraviolet radiations by
Ozone layer
Nitrogen
Oxygen
Carbon dioxide
The envelope of gases surrounding the earth or another planet is called ________.
Hydrosphere
Lithosphere
Biosphere
Atmosphere
Ozone layer of atmosphere protects us from which of the following harmful radiations?
Ultraviolet rays
Ultraviolet and Infra red rays
Magnetic rays
Infra red rays
Ozone layer _________ the sun's harmful UV rays and protects the Earth from its harmful effects.
absorbs
deflects
reflects
refracts
- Ozone, oxygen
- Methane, carbon
- Oxygen, ozone
- Carbon, methane
Ultraviolet radiations from sunlight causes a reaction that produces
Carbon monooxide
Fluorides
Sulphur dioxide
Ozone
Identify the labelled parts of the atmosphere in the given diagram.
- (i) Troposphere (ii) Ozone layer (iii) Mesosphere (iv) Thermosphere
- (i) Thermosphere (ii) Mesosphere (iii) Troposphere (iv) Tropopause
- (i) Thermosphere (ii) Ionosphere (iii) Troposphere (iv) Karman line
- (i) Karman line (ii) Mesosphere (iii) Troposphere (iv) Thermosphere
The ozone layer of the atmosphere blocks
infrared radiations
sunlight
UV radiations
both UV and infrared radiation
Write the functions of ozone in the atmosphere (any two).
- two oxygen atoms
- five oxygen atoms
- three oxygen atoms
(a) January 30
(b) April 21
(c) September 16
(d) December 25
Why ozone layer in the stratosphere is important to life?
- Troposphere
- Stratosphere
- Mesosphere
- Thermosphere
The layer of the atmosphere that contains the ozone blanket is
Mesosphere
Thermosphere
Troposphere
Stratosphere
Where is ozone layer positioned?
Stratosphere
Troposphere
Mesosphere
Thermosphere
The ozone layer lies in the
- Troposphere
- Mesosphere
- Thermosphere
- Stratosphere
(a) ozone
(b) oxygen
(c) sulphur dioxide
(d) argon
UV radiation from sunlight causes the reaction that produces ___.
N20
03
S02
CFCs
The ozone layer is ___ km thick.
- 15
- 5
- 20
- 0.5
- Most of the forests have been lost in tropical areas
- Ozone in upper part of atmosphere is harmful to animals
- Greenhouse effect is a natural phenomenon
- Eutrophication is a natural phenomenon in freshwater bodies
(a) ozone
(b) oxygen
(c) sulphur dioxide
(d) argon
(a) India
(b) Antarctica
(c) Europe
(d) Africa