Among the following pairs of microbes, which pair has both the microbes that can be used as biofertilizers?

1. Aspergillus and Rhizopus

2. Rhizobium and Rhizopus

3. Cyanobacteria and Rhizobium

4. Aspergillus and Cyanobacteria

Subtopic:  Microbes as Biofertilizer |
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Which one of the following microbes forms a symbiotic association with plants and helps them in their nutrition?

1. Azotobacter

2. Aspergillus

3. Glomus

4. Trichoderma

Subtopic:  Microbes as Biofertilizer |
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Which one of the following helps in absorption of phosphorus from the soil by plants?

1.  Rhizobium

2.  Frankia

3.  Anabaena

4.  Glomus

Subtopic:  Microbes as Biofertilizer |
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Which one of the following is not a biofertilizer?

1.  Rhizobium

2.  Nostoc

3.  Mycorrhiza

4.  Agrobacterium

Subtopic:  Microbes as Biofertilizer |
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An organism used as a bio-fertilizer for raising soybean crop is:
1.  Azospirillum
2.  Rhizobium
3.  Nostoc
4.  Azotobacter
Subtopic:  Microbes as Biofertilizer |
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An example of endomycorrhiza is:

1. Glomus

2. Agaricus

3. Rhizobium

4. Nostoc

Subtopic:  Microbes as Biofertilizer |
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Bacillus thuringiensis (Bt) strains have been used for designing novel:

1. Bioinsecticidal plants

2. Bio-mineralization processes

3. Biofertilizers

4. Bio-metallurgical techniques 

Subtopic:  Microbes as Biofertilizer |
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Which one of the following pairs is not correctly matched:

1. Serratia – Drug addiction

2. Spirulina – Single-cell protein

3. Rhizobium – Biofertilizer

4. Streptomyces – Antibiotic 

Subtopic:  Industrial Products, Beverages & Antibiotics | Microbes as Biofertilizer |
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Which of the following is true pair of biofertilizers:
1.  Azolla and BGA
2.  Nostoc and legume
3.  Rhizobium and grasses
4.  Salmonella & E. Coli

Subtopic:  Microbes as Biofertilizer |
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Azolla is used in the cultivation of:

1. Maize 2. Sorghum
3. Wheat 4. Rice
Subtopic:  Microbes as Biofertilizer |
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