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
“Air is a mixture”. Support this statement citing at least three evidences.
Write ‘True’ or ‘False’ in front of following statement.
The area where a lot of fuel burns has more percentage of carbon dioxide.
What is the significance of water vapour in air?
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
Match the following.
| Nitrogen | Respiration in living animals |
| Oxygen | Fertilizer |
| Carbon dioxide | Refrigerator |
| Dry ice | Fire extinguisher |
How do astronauts breathe when they go beyond the earth’s atmosphere?
All living things use oxygen for breathing.
Give the components present in the air with a percentage?
Carbon dioxide gas is ______.
Observe the picture given in Fig. carefully and answer the following questions.
Why is he putting a cover on his nose?
