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प्रश्न
Define chemoautotrophs.
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उत्तर
Chemoautotrophs are those who make their own food by deriving the energy from chemical reactions. e.g., Nitrifying bacteria, Iron bacteria etc.
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संबंधित प्रश्न
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.
Match the following.
| Microorganism | Role Played |
| Nitrosomonas | Nitrogen fixation |
| Azotobacter | Ammonification |
| Pseudomonas species | Nitrification |
| Putrefying bacteria | Denitrification |
Nitrogen is a greenhouse gas.
Write the role of nitrogenase enzyme in nitrogen fixation?
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.
Draw a neat flow chart of the Nitrogen cycle. Briefly explain the various processes involved in the nitrogen cycle.
Name the cell which is responsible for nitrogen fixation in cyanobacteria.
Match column I with Column II.
| Column I | Column II |
| A Acidic | (i) Phenylalanine (Phe) |
| B Neutral | (ii) Cysteine (Cys) |
| C Aromatic | (iii) Valine (Val) |
| D S(Sulphur) containing | (iv) Asparagine (Asn) |
Select the correct answer from the options given below.
