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प्रश्न
When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of this nitrogen?
पर्याय
It moves along with oxygen into the cells
It comes out with the CO2 during exhalation
It is absorbed only by the basal cells
Nitrogen concentration is already more in the cells so it is not at all absorbed.
उत्तर
It comes out with the CO2 during exhalation
Explanation:
Nitrogen is an inert gas and is not used as such by the human body. About 78% of atmospheric air contains nitrogen gas and % the age of nitrogen in exhaled air is also 78%. Nitrogen gas is not absorbed by any molecule in the human body and is exhaled as such in the environment. Elemental nitrogen which is an essential component of the human body is consumed in other fixed forms like NH4 ions, amino acids, etc.
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संबंधित प्रश्न
Name four types of bacteria involved in nitrogen cycle.
Write a note on nitrogen fixation?
How is nitrogen replenished in atmosphere.
How do vaccines work?
In the nitrogen cycle, which of the following play an important role?
Match Column - I with Column - II.
| Column - I | Column - II | ||
| (a) | Nitrococcus | (i) | Denitrification |
| (b) | Rhizobium | (ii) | Conversion of ammonia to nitrite |
| (c) | Thiobacillus | (iii) | Conversion of nitrite to nitrate |
| (d) | Nitrobacter | (iv) | Conversion of atmospheric nitrogen to ammonia |
Choose the correct answer from the options given below.
In the Nitrification process, the ammonium compounds are oxidised to soluble ______.
The atmosphere is a rich source of ______.
Nitrogen is an essential component of protein, DNA, and chlorophyll.
Name any two nitrifying bacteria in soil.
