Advertisements
Advertisements
Question
Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:
Options
Thermosphere
Troposphere
Mesosphere
Stratosphere
Advertisements
Solution
Stratosphere
APPEARS IN
RELATED QUESTIONS
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
How is ozone formed in the higher level of atmosphere?
How are CFCs harmful?
‘There is a hole in the ozone layer’. What do you understand by this?
The chemicals leading to the formation of ozone holes.
Select the correct answer from the following statement:
The gas which in presence of U.V. light gives two atoms of the same gas.
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
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.
In 1987, the United Nations Environment Programme (UNEP) forged an agreement to freeze the production of a certain chemical to the year 1986 level. Name the chemical and the manufacturing companies m which this chemical was being mostly used.
In what way this chemical damage -
- the upper layers of the atmosphere and ultimately
- the organisms on the earth.
Which one of the following is measured in Dobson units (DU)?
