- 1(current)
Q. No.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: Â Microbes as Biofertilizer |
 74%
Level 2: 60%+
AIPMT - 2012
Hints
A nitrogen-fixing microbe associated with Azolla in rice fields is:
1. Spirulina
2. Anabaena
3. Frankia
4. Tolypothrix
Subtopic: Â Microbes as Biofertilizer |
 72%
Level 2: 60%+
AIPMT - 2012
Hints
Which one of the following helps in absorption of phosphorus from the soil by plants?
1. Rhizobium
2. Frankia
3. Anabaena
4. Glomus
Subtopic: Â Microbes as Biofertilizer |
 80%
Level 1: 80%+
AIPMT - 2011
Hints
Which one of the following is not a biofertilizer?
1. Rhizobium
2. Nostoc
3. Mycorrhiza
4. Agrobacterium
Subtopic: Â Microbes as Biofertilizer |
 82%
Level 1: 80%+
AIPMT - 2011
Hints
Links
An organism used as a bio-fertilizer for raising soybean crop is:
| 1. | Azospirillum | 2. | Rhizobium |
| 3. | Nostoc | 4. | Azotobacter |
Subtopic: Â Microbes as Biofertilizer |
 65%
Level 2: 60%+
AIPMT - 2011
Hints
Links
The common nitrogen-fixer in paddy fields is:
1. Rhizobium
2. Azospirillum
3. Oscillatoria
4. Frankia
Subtopic: Â Microbes as Biofertilizer |
Level 4: Below 35%
AIPMT - 2010
Hints
Which one of the following is not used in organic farming?
1. Glomus
2. Earthworm
3. Oscillatoria
4. Snail
Subtopic: Â Microbes as Biofertilizer |
 75%
Level 2: 60%+
AIPMT - 2010
Hints
Subtopic: Â Microbes as Biofertilizer |
 75%
Level 2: 60%+
AIPMT - 2010
Hints
- 1(current)
Q. No.
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