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Get Answers to all your Questions
Q.175) style="margin-right:8px">Which of the following organisms cannot fix nitrogen?
A) style="list-style-type:upper-alpha">Azotobactor
B) style="list-style-type:upper-alpha">Oscillotroia
C) style="list-style-type:upper-alpha">Anabaena
D) style="list-style-type:upper-alpha">Volvox
Answers (1)
Q.175) Volvox is a type of green algae that does not have the ability to fix nitrogen. Nitrogen fixation is carried out by certain bacteria like Azotobacter, Oscillatoria, Anabaena, and Nostoc, but not by Volvox.
Hence, the correct answer is Option (4).
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