Advertisements
Advertisements
प्रश्न
Suggest a suitable word for the following statement.
Agent which spreads pathogens from one place to another.
एक पंक्ति में उत्तर
उत्तर
Carrier/Vector are the modes of transmission of a disease.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Write a note on nitrogen fixation?
Explain the following cycle in your own words with a suitable diagram.
Nitrogen cycle.
Very Short Answer Question:
What is denitrification?
Long Answer Question:
Explain biological nitrogen fixation with example.
Match the following.
| Microorganism | Role Played |
| Nitrosomonas | Nitrogen fixation |
| Azotobacter | Ammonification |
| Pseudomonas species | Nitrification |
| Putrefying bacteria | Denitrification |
How do human activities affect nitrogen cycle?
Write the role of nitrogenase enzyme in nitrogen fixation?
Give reason for the following.
Farmers prefer to grow beans and peas in nitrogen deficient soils.
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 |
