A. Rhizobium
B. Nitrosomonas
C. Clostridium
D. Anabaena
Correct Answer:
Option D – Anabaena
Explanation
Anabaena is a genus of filamentous cyanobacteria that exist as plankton. They are known for nitrogen-fixing abilities, and they form symbiotic relationships with certain plants.
Hypothesis Testing
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Sampling Error And Sampling Bias
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Sample And Sampling Techniques
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Sources Of Literature - Project Writing
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Research Proposal Vs Research Abstract - Educational Research
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