Question

Which is source of Vitamin $$B_{12} ?$$

A
Pseudomonas
B
Spirulina
C
Nostoc
D
Oscillatoria

Solution

The correct option is B SpirulinaSpirulina is, in some ways, similar to bacteria that create Vitamin $$B12$$ in the soil, though it's actually an evolutionary branch-off. The same formation of Vitamin $$B12$$ can take place in spirulina as a Vitamin $$B12$$ (culture) laboratory vat. So, the correct option is 'Spirulina'.Zoology

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