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प्रश्न
Name the cell which is responsible for nitrogen fixation in cyanobacteria.
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
Give the schematic representation of the TCA cycle.
Define chemoautotrophs.
Write the role of nitrogenase enzyme in nitrogen fixation?
Polio drops are not given to children suffering from diarrhoea. Why?
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.
Assertion (A): Plants and animals can utilize atmospheric nitrogen.
Reason (R): The atmosphere is a rich source of nitrogen.
How are organisms like Pseudomonas and Thiobacillus of great significance in nitrogen cycle?
What is nitrification?
Name any two nitrifying bacteria in soil.
