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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
Draw diagram of Nitrogen cycle.
Long Answer Question:
Explain biological nitrogen fixation with example.
How do human activities affect nitrogen cycle?
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
______ 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 ______.
What is nitrification?
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.
