Q503
Nitrogen fixing blue green algae is
A.
Clostridium
B.
Rhizobium
C.
Nostoc
AnswerD.
Nitrosomonas
Answer: Option C
Solution
Answer: Option C
Solution:
Nitrogen fixing blue green algae is Nostoc.
General Knowledge · Q503
Environmental Science
Competitive Exams · General Knowledge · question 503