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Question
Name the aquatic fern commonly used in paddy fields as a biofertilizer.
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Solution
The aquatic fern commonly used in paddy fields as biofertilizer is Azolla.
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RELATED QUESTIONS
Which one of the following is a free-living bacterial biofertilizer?
______ associated with plants like Azolla and Cycas can be used as a biofertilizers.
Match the column A with B and rewrite correct pairs.
| A | B | |
| i. | Symbiotic N2 fixing bacteria | VAM |
| ii. | Free-living N2 fixing bacteria | Rhizobium |
| iii. | Phosphate solubilizer | Nostoc |
| iv. | Endomycorrhizae | Microccocus |
VAM is a type of ______
Which of the following symbiotic microorganisms is nitrogen-fixing?
Which one of the following is not a biofertilizer?
Mycorrhiza does not help the host plant in ______.
- Give an example of a genus of fungi that forms mycorhizal association with plants.
- How does the plant derive benefits from this association?
Which of following organisms cannot fix nitrogen?
- Azotobacter
- Oscillatoria
- Anabaena
- Volvoх
- Nostoc
Choose the correct answer from the options given below:
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
