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प्रश्न
Draw diagram of Nitrogen cycle.
उत्तर
Nitrogen cycle :
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संबंधित प्रश्न
Write the role of nitrogenase enzyme in nitrogen fixation?
The nitrogen molecules present in the air can be converted into nitrates and nitrites by
When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of this nitrogen?
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.
______ is the primary nutrient, important for the survival of all living organisms.
The atmosphere is a rich source of ______.
The blue-green algae that take part in nitrogen fixation are also called ______.
Nitrogen is an essential component of protein, DNA, and chlorophyll.
Assertion (A): Plants and animals can utilize atmospheric nitrogen.
Reason (R): The atmosphere is a rich source of nitrogen.
Match column I with Column II.
| Column I | Column II |
| A Acidic | (i) Phenylalanine (Phe) |
| B Neutral | (ii) Cysteine (Cys) |
| C Aromatic | (iii) Valine (Val) |
| D S(Sulphur) containing | (iv) Asparagine (Asn) |
Select the correct answer from the options given below.
