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प्रश्न
Name the cell which is responsible for nitrogen fixation in cyanobacteria.
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उत्तर
Heterocyst is responsible for nitrogen fixation in cyanobacteria. They are capable of differentiating. unique cells that fix nitrogen.
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संबंधित प्रश्न
Match the following.
| Microorganism | Role Played |
| Nitrosomonas | Nitrogen fixation |
| Azotobacter | Ammonification |
| Pseudomonas species | Nitrification |
| Putrefying bacteria | Denitrification |
How do human activities affect nitrogen cycle?
Write the role of nitrogenase enzyme in nitrogen fixation?
The process of nitrogen-fixation by bacteria does not take place in the presence of
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.
Draw a neat flow chart of the Nitrogen cycle. Briefly explain the various processes involved in the nitrogen cycle.
Name any two nitrifying bacteria in soil.
Consider the following statements. Which of the statements given below is incorect?
Nitrates of soil are also leached deep into the earth by ______.
