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प्रश्न
What is nitrogen-fixation?
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उत्तर
Nitrogen fixation : Symbiotic bacteria living in the root nodules of leguminous plants like peas, beans, absorb nitrogen directly from air and convert into nitrates. Thereafter, the plants convert it into proteins. Nitrogen is returned to the soil when plant and animal matter decays. This decomposition work is done by organisms called denitrifying bacteria which reconvert dead organic tissue into its constituent nitrogen.
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संबंधित प्रश्न
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
Name the components of air with their approximate percentage by volume in air. Does the percentage by volume of each component remain the same, in the atmosphere of different parts of the world? Explain with reasons.
Tabulate the various components of air, including the components with variable composition.
State four different properties of a compound and a mixture.
What are the components of air?
______ is the percentage of nitrogen in air.
Write about the reaction of nitrogen with non metals.
How will you show that air is dissolved in water?
When air is moving with cool and soothing, it is called a cyclone.
A ______ gas that is used to remove carbon impurities from the steel.
