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Question
Write short note on Green House Effect.
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Solution
- Global warming is caused by the increase of greenhouse gases such as carbon dioxide, methane, water vapour and Chloro Fluoro Carbons (CFC), carbon monoxide, photochemical oxidants and hydrocarbons.
- They are responsible for the heat retention ability of the atmosphere.
- Global warming causes climate change, ozone layer depletion, rise in sea level and drowning of coastal inhabited land, melting of ice, etc.,
- They are posing an even greater threat to human existence and so, man must start thinking of protecting the environment from pollution.
RELATED QUESTIONS
Since October 02, 2014 “Swachh Bharat Abhiyan” has been launched in our country.
- Write your views on this initiative giving justification.
- As a biologist name two problems that you may face while implementing the programme in your locality.
- Suggest two remedial methods to overcome these problems.
Assertion(A): Urbanisation is one of the environmental issues.
Reason(R): As the town expands, it mounts more pressure on transport system, water supplies leading to air pollution, water pollution, etc.
Give reason for the following
Fracking affect the environment.
The range of normal human hearing is in the range of ______.
Soda and detergents are the source of organic pollutants life.
Which among the following chronic lung disease commonly known as 'black ling' disease, leads to reduced life expectancy in coal- minerals ?
Atmospheric pollution may caused by ______.
Pollutants are classified into ______.
Pollutant brings about
Match the following and choose the correct option.
| Column I | Column II | ||
| A. | Environment Protection Act | i. | 1974 |
| B. | Air Prevention & Control of Pollution Act | ii. | 1987 |
| C. | Water Act | iii. | 1986 |
| D. | Amendment of Air Act to include noise as an air pollutant | iv. | 1981 |
