Advertisements
Advertisements
प्रश्न
Suggest a suitable word for the following statement.
Agent which spreads pathogens from one place to another
Advertisements
उत्तर
Carrier/Vector are the modes of transmission of a disease.
APPEARS IN
संबंधित प्रश्न
Give the schematic representation of the TCA cycle.
Describe nitrogen cycle.
Explain the following cycle in your own words with a suitable diagram.
Nitrogen cycle.
Very Short Answer Question:
Name the bacteria responsible for conversion of nitrite to nitrate.
How do human activities affect nitrogen cycle?
Which of the following is TRUE regarding Rhizobium?
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.
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 |
