Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली
NEET
Biology
Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली
Question Bank
Cyanobacteria or Blue Green Algae
question_answer
Which of the following algae is symbiotic and nitrogen fixing [Pb. PMT 1999]
A) Spirogyra
B) Cladophora
C) Anabaena
D) Oedogonium
Correct Answer:
C
Solution :
Anabaena is found symbiotically in Azolla and help in N2 fixation.