NEET Botany
Microbes As Biofertilizer
Low Priority
Consistency: 15%
Weightage: 3 / 20 Yrs
High-Yield Trend
2
2012 3
2011 2
2010 Questions 7 MCQs
01
PYQ 2010
medium
botany ID: neet-201
The common nitrogen-fixer in paddy fields is:
1. Rhizobium
2. Azospirillum
3. Oscillatoria
4. Frankia
1
(1)
2
(2)
3
(3)
4
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02
PYQ 2010
easy
botany ID: neet-201
Which one of the following is not used in organic farming?
1. Glomus
2. Earthworm
3. Oscillatoria
4. Snail
1
(1)
2
(2)
3
(3)
4
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03
PYQ 2011
easy
botany ID: neet-201
Which one of the following helps in absorption of phosphorus from the soil by plants?
1. Rhizobium
2. Frankia
3. Anabaena
4. Glomus
1
(1)
2
(2)
3
(3)
4
(4)
04
PYQ 2011
easy
botany ID: neet-201
Which one of the following is not a biofertilizer?
1. Rhizobium
2. Nostoc
3. Mycorrhiza
4. Agrobacterium
1
(1)
2
(2)
3
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4
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05
PYQ 2011
easy
botany ID: neet-201
An organism used as a bio-fertilizer for raising soybean crop is:
| 1. | Azospirillum | 2. | Rhizobium |
| 3. | Nostoc | 4. | Azotobacter |
1
(1)
2
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3
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4
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06
PYQ 2012
easy
botany ID: neet-201
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
1
(1)
2
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3
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4
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07
PYQ 2012
easy
botany ID: neet-201
A nitrogen-fixing microbe associated with Azolla in rice fields is:
1. Spirulina
2. Anabaena
3. Frankia
4. Tolypothrix
1
(1)
2
(2)
3
(3)
4
(4)