A prokaryotic autotrophic nitrogen fixing symbiont is found in:
Correct answer: B. Cycas
- A. Alnus
- B. Cycas
- C. Cicer
- D. Pisum
Explanation
(b) : Cycas forms facultative symbiotic association with autotrophic nitrogen fixing cyanobacteria. Cycas provides fix carbon and a stable environment tothe cyanobacteria in exchange for fixed nitrogen. These cyanobacteria are endosymbionts and
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