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प्रश्न
Why are blue green algae not popular as biofertilisers?
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उत्तर
Blue green algae are not popular as biofertilisers because they causes algal bloom in polluted water bodies.
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संबंधित प्रश्न
What is a heterocyst?
How does the application of cyanobacteria help improve agricultural output?
Explain the interrelationship between organic farming and biofertilizers, with the help of any three suitable examples.
Which one of the following is a free-living bacterial biofertilizer?
Name any two bacterial biofertilizers.
______ associated with plants like Azolla and Cycas can be used as a biofertilizers.
State any three benefits of mycorrhiza.
From the following pairs of microbes, identify the pair that has both the microbes that can be used as Biofertilizers.
Match the Column I (Organisms) with the Column II (Products they produce) and select the correct option.
| Column I | Column II | ||
| i. | Lactobacillus | p. | Cheese |
| ii. | Saccharomyces cerevisiae | q. | Curd |
| iii. | Aspergillus niger | r. | Citric Acid |
| iv | Acetobacter aceti | s. | Bread |
| t. | Acetic Acid |
Anabaena forms symbiotic relationship coralloid roots of ______.
The biological agent which is used to kill or check proliferation of disease causing agents is called ____________.
VAM is a type of ______
Which of the following symbiotic microorganisms is nitrogen-fixing?
An organism used as a biofertiliser for raising soyabean crop prediction is:
Biofertilizers are
- Give an example of a genus of fungi that forms mycorhizal association with plants.
- How does the plant derive benefits from this association?
Aspergillus niger is used to manufacture
How many statements are true about biofertilizers?
- They are nitrogen fixers.
- They are commercial preparation of live bacteria and fungi.
- Use of biofertilizers is expensive.
- There is only one type of biofertilizer.
- They are classified as inorganic.
