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Byju's Answer
Standard VIII
Biology
Bacteria
An example of...
Question
An example of nitrogen fixing bacteria is
(a) Nostoc.
(b) spirilla.
(c) bacillus.
(d) comma.
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Solution
(a) Nostoc
Nostoc is an example of nitrogen fixing bacteria.
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Similar questions
Q.
An example of a blue-green bacterium is
(a) Nostoc.
(b) bacillus.
(c) coccus.
(d) spirilla.
Q.
Match the columns and choose the correct answers
I
II
a
Free living aerobic nitrogen fixers
1
Anabaena and Nostoc
b
Anaerobic nitrogen fixers
2
Pseudomonas denitrificans and Thiobacillus denitrificans
c
Nitrogen fixing cyanobacteria
3
Nitrosomonas and Nitrococcus
d
Denitrifying bacteria
4
Azotobacter and Beijerinckia
e
Nitrifying bacteria
5
Rhodospirillum
Q.
Match the columns and choose the correct option.
I
II
(a)
Free-living aerobic nitrogen fixers
1.
Anabaena
and
Nostoc
(b)
Anaerobic nitrogen fixers
2.
Pseudomonas
and
Thiobacillus
(c)
Nitrogen-fixing cyanobacteria
3.
Nitrosomonas
and
Nitrosococcus
(d)
Denitrifying bacteria
4.
Azotobacter
and
Beijerinckia
(e)
Nitrifying bacteria
5.
Rhodospirillum
Q.
Give suitable examples of the following:
(a) Rod-shaped bacteria (b) Pigments of cyanobacteria (c) Nitrogen fixing monerans.
Q.
Which bacteria is rod shaped ?
(a) Coccus (b) Spirillum
(c) Bacillus (d) Vibrio
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