Beijernickia is a phyllosphere or rhizosphere nitrogen fixing bacteria.
BIOXII10: MICROBES IN HUMAN WELFARE
343777
Which one of the following is not a nitrogenfixing organism?
1 Anabaena
2 Nostoc
3 Azotobacter
4 Pseudomonas
Explanation:
Most of the species of Pseudomonas are pathogens; causing diseases in plants and animals.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE
343778
Which one of the following statement is incorrect w. r. t. biofertilizer?
1 Biofertilizers pollute soil and groundwater.
2 Biofertilizers increases crop yield by \(15-35 \%\).
3 Biofertilizers are useful in all types of soil conditions.
4 Biofertilizers are inexpensive
Explanation:
Biofertilizers are the byproducts of agriculture. They do not pollute environment.
BIOXII10: MICROBES IN HUMAN WELFARE
343779
The symbiotic association of fungi with the roots of higher plants is called
1 Cyanobacteria
2 Commensalism
3 Mycorrhiza
4 Lichen
Explanation:
A mycorrhiza is a symbiotic (mutually beneficial) association between a fungus and the roots of a vascular higher plant. These are important components of soil life and soil chemistry.
Beijernickia is a phyllosphere or rhizosphere nitrogen fixing bacteria.
BIOXII10: MICROBES IN HUMAN WELFARE
343777
Which one of the following is not a nitrogenfixing organism?
1 Anabaena
2 Nostoc
3 Azotobacter
4 Pseudomonas
Explanation:
Most of the species of Pseudomonas are pathogens; causing diseases in plants and animals.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE
343778
Which one of the following statement is incorrect w. r. t. biofertilizer?
1 Biofertilizers pollute soil and groundwater.
2 Biofertilizers increases crop yield by \(15-35 \%\).
3 Biofertilizers are useful in all types of soil conditions.
4 Biofertilizers are inexpensive
Explanation:
Biofertilizers are the byproducts of agriculture. They do not pollute environment.
BIOXII10: MICROBES IN HUMAN WELFARE
343779
The symbiotic association of fungi with the roots of higher plants is called
1 Cyanobacteria
2 Commensalism
3 Mycorrhiza
4 Lichen
Explanation:
A mycorrhiza is a symbiotic (mutually beneficial) association between a fungus and the roots of a vascular higher plant. These are important components of soil life and soil chemistry.
Beijernickia is a phyllosphere or rhizosphere nitrogen fixing bacteria.
BIOXII10: MICROBES IN HUMAN WELFARE
343777
Which one of the following is not a nitrogenfixing organism?
1 Anabaena
2 Nostoc
3 Azotobacter
4 Pseudomonas
Explanation:
Most of the species of Pseudomonas are pathogens; causing diseases in plants and animals.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE
343778
Which one of the following statement is incorrect w. r. t. biofertilizer?
1 Biofertilizers pollute soil and groundwater.
2 Biofertilizers increases crop yield by \(15-35 \%\).
3 Biofertilizers are useful in all types of soil conditions.
4 Biofertilizers are inexpensive
Explanation:
Biofertilizers are the byproducts of agriculture. They do not pollute environment.
BIOXII10: MICROBES IN HUMAN WELFARE
343779
The symbiotic association of fungi with the roots of higher plants is called
1 Cyanobacteria
2 Commensalism
3 Mycorrhiza
4 Lichen
Explanation:
A mycorrhiza is a symbiotic (mutually beneficial) association between a fungus and the roots of a vascular higher plant. These are important components of soil life and soil chemistry.
Beijernickia is a phyllosphere or rhizosphere nitrogen fixing bacteria.
BIOXII10: MICROBES IN HUMAN WELFARE
343777
Which one of the following is not a nitrogenfixing organism?
1 Anabaena
2 Nostoc
3 Azotobacter
4 Pseudomonas
Explanation:
Most of the species of Pseudomonas are pathogens; causing diseases in plants and animals.
NCERT Exemplar
BIOXII10: MICROBES IN HUMAN WELFARE
343778
Which one of the following statement is incorrect w. r. t. biofertilizer?
1 Biofertilizers pollute soil and groundwater.
2 Biofertilizers increases crop yield by \(15-35 \%\).
3 Biofertilizers are useful in all types of soil conditions.
4 Biofertilizers are inexpensive
Explanation:
Biofertilizers are the byproducts of agriculture. They do not pollute environment.
BIOXII10: MICROBES IN HUMAN WELFARE
343779
The symbiotic association of fungi with the roots of higher plants is called
1 Cyanobacteria
2 Commensalism
3 Mycorrhiza
4 Lichen
Explanation:
A mycorrhiza is a symbiotic (mutually beneficial) association between a fungus and the roots of a vascular higher plant. These are important components of soil life and soil chemistry.
