Advertisements
Advertisements
प्रश्न
How are organisms like Pseudomonas and Thiobacillus of great significance in nitrogen cycle?
Advertisements
उत्तर
Nitrates present in soil are reduced to nitrogen through a process called denitrification. Denitrification is carried out by Pseudomonas and Thiobacillus. Thus, Pseudomonas and Thiobacillus have great importance in the nitrogen cycle.
APPEARS IN
संबंधित प्रश्न
Draw diagram of Nitrogen cycle.
How is nitrogen replenished in atmosphere.
Describe nitrogen cycle.
Explain the following cycle in your own words with a suitable diagram.
Nitrogen cycle.
Very Short Answer Question:
What is denitrification?
Match the following.
| Microorganism | Role Played |
| Nitrosomonas | Nitrogen fixation |
| Azotobacter | Ammonification |
| Pseudomonas species | Nitrification |
| Putrefying bacteria | Denitrification |
When we breathe in air, nitrogen also goes inside along with oxygen. What is the fate of this nitrogen?
Suggest a suitable word for the following statement.
Agent which spreads pathogens from one place to another
Give reason for the following.
Farmers prefer to grow beans and peas in nitrogen deficient soils.
In the nitrogen cycle, which of the following play an important role?
Free-living soil bacteria such as Pseudomonas sp. are responsible for the ______ process in the nitrogen cycle.
______ is the primary nutrient, important for the survival of all living organisms.
In the Nitrification process, the ammonium compounds are oxidised to soluble ______.
The blue-green algae that take part in nitrogen fixation are also called ______.
Draw a neat flow chart of the Nitrogen cycle. Briefly explain the various processes involved in the nitrogen cycle.
What is nitrification?
Name any two nitrifying bacteria in soil.
Consider the following statements. Which of the statements given below is incorect?
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 |
