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प्रश्न
Write the harmful effects of ozone depletion.
How Ozone layer depletion is harmful?
उत्तर १
- It can lead to skin cancer in humans.
- It can lead to cataracts in humans.
- It can damage our immune system by lowering the body's resistance to diseases.
- It can lead to many diseases in animals.
- It can lead to damage to plants.
उत्तर २
- Diseases: Ultraviolet rays contribute to developing skin cancer and cataracts.
- Genetic Disorders: Exposure to ultraviolet rays can lead ·to genetic disorders, affecting hereditary traits.
- Ecological imbalance: Ultraviolet rays can disrupt the ecological balance in marine ecosystems, impacting various organisms.
- Damage to Substances: These rays have the potential to damage the physical and chemical properties of complex substances
संबंधित प्रश्न
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 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 |
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
Name the chemicals responsible for destruction of the ozone layer. State the main chemical from these chemicals, which is responsible for more than 80% ozone depletion.
Which spectrum of the light harmful to organism: ____________.
Global warming is a phenomenon related to ______.
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.
______ was signed in 1987 to control emission of ozone depleting substances.
