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प्रश्न
Match the pairs:
| Column A | Column B | ||
| (i) | Compost making biofertilizer |
(a) | Azotobacter |
| (ii) | N2 fixing biofertilizer | (b) | Mycorrhiza |
| (iii) | Fungal biofertilizer | (c) | Agrobacterium |
| (iv) | Phosphate solubilizing biofertilizer |
(d) | Actinobocteria |
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उत्तर
| Column A | Column B | ||
| (i) | Compost making biofertilizer |
(d) | Actinobocteria |
| (ii) | N2 fixing biofertilizer | (a) | Azotobacter |
| (iii) | Fungal biofertilizer | (b) | Mycorrhiza |
| (iv) | Phosphate solubilizing biofertilizer |
(c) | Agrobacterium |
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संबंधित प्रश्न
What are 'biofertilizers'? Explain them with suitable examples.
What is a heterocyst?
How does the application of cyanobacteria help improve agricultural output?
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 |
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 |
VAM is a type of ______
Glomus is a ______.
Which of following organisms cannot fix nitrogen?
- Azotobacter
- Oscillatoria
- Anabaena
- Volvoх
- Nostoc
Choose the correct answer from the options given below:
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.
