351.
Nitrogen fixing bacteria converts
A
N2 → NH3
B
NH4 → Nitrates
C
NO2 → NO3
D
NO3 → N2
Answer :
N2 → NH3
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352.
With which of the following is Xanthomons related
A
Xanthophyceae
B
Causing disease in Xanthium
C
A kind of Virus
D
Causing Citrus canker disease
Answer :
Causing Citrus canker disease
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353.
The book 'Micrographia' was written by
A
Huxley
B
Robert Hooke
C
Fritsch
D
J.D.Hooker
Answer :
Robert Hooke
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354.
Maximum photosynthesis takes place by
A
Phytoplankton
B
Zooplankton
C
March plants
D
Woody plants
Answer :
Phytoplankton
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355.
The separation of living beings into five kingdoms is based on
A
Complexity of cell structure
B
Complexity of organism's body
C
Mode of obtaining nutrition
D
All of the above
Answer :
All of the above
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356.
Chief merit Bentham and Hooker's classification is that
A
It is a system mostly based on evolutionary concepts
B
It is a natural systems of classification of all groups of plants
C
The description of the taxa are based on actual observation of the specimen
D
It also considers the phylogenetic aspects
Answer :
The description of the taxa are based on actual observation of the specimen
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357.
Carolus Linaneus classified plant kingdom on the basis of
A
Floral morphology
B
Overally morphology of plants
C
Type of sexual reproduction
D
Anatomical character
Answer :
Floral morphology
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358.
The binomial system of nomenclature was initially proposed by
A
Magnus
B
Bauhin
C
Caesalpinno
D
Discorides
Answer :
Bauhin
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359.
Which of the following is not a blue green algae
A
Nostoc
B
Anabaena
C
Lichen
D
Aulosira
Answer :
Lichen
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360.
"Cellular plants" and "Vascular plants" are the groups created by
A
Tippo
B
Eichler
C
Takhatajan
D
De candolle
Answer :
De candolle
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