Advertisements
Advertisements
प्रश्न
What is the significance of water vapour in air?
Advertisements
उत्तर
Significance of water vapour in atmosphere is as follows:
- Presence of water vapour in air determines the climatic conditions. Excessive water vapour causes rain. They also produce snow, fog, mist, hails and other phenomenon, depending upon the temperature.
- The presence of water vapour controls the rate of evaporation from the plants and animals.
- The presence of water vapour is very essential for the growth of plants.
- It is very essential for the health and comfort of animals.
APPEARS IN
संबंधित प्रश्न
A fuel when used releases least amount of pollutants in the air.
Give reason:
A burning candle stops burning if covered with a glass tumbler
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
What is the percentage of nitrogen in air?
_______ and ______ are the two gases, which when taken together, make up about 99 percentage of air.
- Nitrogen
- carbon-di-oxide
- Noble gases
- Oxygen
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
Nitrogen is essential for burning.
Air contains a small amount of CO2, Water vapour, and some other gases like ______, etc.
Oxygen is used to oxidize ______.
