Mineral NutritionHard
Question
Which of the following can fix atmospheric nitrogen ?
Options
A.Albugo
B.Cystops
C.Saprolegnia
D.Anabaena
Solution
Blue-green algae are the only organisms, capable of performing oxygenic photosynthesis and fixation of nitrogen, eg, Anabaena, Nostoc which produce a specialized type of cell, called heterocyst which N2 fixation occurs.
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