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प्रश्न
Name four types of bacteria involved in nitrogen cycle.
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उत्तर
Four types of bacteria involved in the nitrogen cycle:
(a) Nitrogen-fixing bacteria:
Examples: Azotobacter and Rhizobium
(b) Putrefying bacteria involved in ammonification
(c) Nitrifying bacteria:
Examples: Nitrosomonas and Nitrobacter
(d) Denitrifying bacteria:
Example: Pseudomonas
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संबंधित प्रश्न
Draw diagram of Nitrogen cycle.
Describe nitrogen cycle.
Very Short Answer Question:
Name the bacteria responsible for conversion of nitrite to nitrate.
Long Answer Question:
Explain biological nitrogen fixation with example.
The process of nitrogen-fixation by bacteria does not take place in the presence of
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.
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 |
