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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
Explain the following cycle in your own words with a suitable diagram.
Nitrogen cycle.
Nitrogen is a greenhouse gas.
Write the role of nitrogenase enzyme in nitrogen fixation?
Which free living microorganism helps in nitrogen fixation?
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.
Assertion (A): Plants and animals can utilize atmospheric nitrogen.
Reason (R): The atmosphere is a rich source of nitrogen.
Draw a neat flow chart of the Nitrogen cycle. Briefly explain the various processes involved in the nitrogen cycle.
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 |
