Question

Deficiency of which vitamin causes degeneration of spinal cord?

• A. E
• B. K
• C. $B_{12}$
• D. A

Answer 1

Answer: (C)

$B_{12}$

Degeneration of spinal cord is also known as lichtheims disease. It arises due to deficiency of vitamin-$B_{12}$ (i.e., cyanocobalamine, $C_{63}{H}_{88}{N}_{14}PCO$). It is usually associated with pernicious anaemia. Sources of vitamin-$B_{12}$ are liver of ox, sheep, pig, fish, etc.

So, the correct answer is '$B_{1}2$