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प्रश्न
Explain the importance of nitrogen of the air for plant growth.
उत्तर
Nitrogen of air is converted to soluble nitrogenous compounds in the soil in the presence of air and moisture. These are absorbed by plants and converted to plant proteins.
संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Solution of carbon dioxide in water is called _________ acid.
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
______ is the percentage of nitrogen in air.
Aerated water contains
Soda bottle bursts sometimes when it is opened during summer. Why?
How do astronauts breathe when they go beyond the earth’s atmosphere?
The amount of water vapour in the air is more in windy places than in other areas.
