Advertisements
Advertisements
प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
Advertisements
उत्तर
Plants convert nitrogen into protein. It is an important constituent of proteins, which are necessary for the growth of animals, plants and human beings. Plants convert nitrogen into proteins.
APPEARS IN
संबंधित प्रश्न
Describe a simple experiment to show that l/5th of air is oxygen.
Tick (√) the most appropriate answer.
The humans pollute the air by :
Write ‘True’ or ‘False’ in front of following statement.
The catalyst used in laboratory preparation of oxygen gas from hydrogen peroxide gas is magnesium oxide
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Give a reason why two different rare (inert) gases find application in advertisement signs and fluorescent bulbs.
How do the roots of land plants get oxygen for breathing?
Nitrogen is essential for burning.
The amount of water vapour in the air is more in windy places than in other areas.
______ is responsible for making clouds.
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
