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प्रश्न
Match the following.
| Microorganism | Role Played |
| Nitrosomonas | Nitrogen fixation |
| Azotobacter | Ammonification |
| Pseudomonas species | Nitrification |
| Putrefying bacteria | Denitrification |
जोड़ियाँ मिलाइएँ
उत्तर
| Microorganism | Role Played |
| Nitrosomonas | Nitrification |
| Azotobacter | Nitrogen fixation |
| Pseudomonas species | Denitrification |
| Putrefying bacteria | Ammonification |
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संबंधित प्रश्न
Nitrogen is a greenhouse gas.
The nitrogen molecules present in the air can be converted into nitrates and nitrites by
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.
Free-living soil bacteria such as Pseudomonas sp. are responsible for the ______ process in the nitrogen cycle.
The atmosphere is a rich source of ______.
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.
Name the cell which is responsible for nitrogen fixation in cyanobacteria.
Which of the following statement is incorrect with regard to combustion?
Match the following:
| Column A | Column B (Organisms) | ||
| (1) | Symbiotic nitrogen fixation | (a) | Nitrobacter |
| (2) | Denitrification | (b) | Cyanobacteria |
| (3) | Free living nitrogen fixers | (c) | Rhizobium |
| (4) | Nitrification | (d) | Paracoccus |
