A) plants
B) microorganisms in caecum
C) animals
D) all of the above
Correct Answer: B
Solution :
Vitamin-\[{{B}_{12}}\] is not found in plants. However it is considered that Spirulina (an algae) contain-\[{{B}_{12}}\]. Vitamin-\[{{B}_{12}}\] is synthesized by intestinal bacteria which in fact are main source of vitamin-\[{{B}_{12}}\]. Many micro-organisms (bacteria) of the stomach of ruminant mammals also synthesize large quantities of vitamin-\[{{B}_{12}}\]. Liver and kidney in animals are richest source of vitamin-\[{{B}_{12}}\].You need to login to perform this action.
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