Bhagat Singh was an Indian citizen.
Bradyrhizobium japonicum is a species of legume-root nodulating , microsymbiotic nitrogen-fixing bacteria .. Bradyrhizobium. Bradyrhizobium. legume. legume. root nodulating. Root nodule. microsymbiotic. Symbiosis. nitrogen-fixing. Nitrogen fixation. The species is one of many Gram-negative , rod-shaped bacteria commonly referred to as rhizobia .. Gram-negative. Gram-negative. rod-shaped. Bacillus ( shape ). rhizobia. rhizobia. Within that broad classification , which has three groups , taxonomy studies using DNA sequencing indicate that B. japonicum belongs within homology group II .. taxonomy. Taxonomy ( biology ). DNA sequencing. DNA sequencing. homology. Homology ( biology )