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Question

Which of the following is mismatched?


A
Vitamin-K - Beriberi
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B
Vitamin-D - Rickets
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C
Vitamin-C - Scurvy
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D
Vitamin-A - Xerophthalmia
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Solution

The correct option is B Vitamin-K - Beriberi
Vitamin K catalyzes synthesis of prothrombin and is also required for synthesis of other blood clotting factor. It's deficiency causes hemorrhagic disease, specifically in new born. This makes option A incorrect match as beriberi is caused by deficiency of vitamin B. 
Vitamin D is involved in bone formation and its deficiency causes rickets, which is characterized by enlargement of epiphysis, cranial bossing and bowed legs. This makes option B correct match. 
Vitamin C is involved in synthesis of collagen, absorption and transport of iron and is also involved in folacin metabolism. Its deficiency causes scurvy, which is characterized by haemorrhages and bleeding gums. This makes option C correct match. 
Vitamin A is involved in maintenance of epithelial cells, synthesis of rhodopsin (pigment responsible for dim light vision) and is also required for healing, growth and normal immune function. It's deficiency causes xeropthalmia (night blindness)
So, the correct answer is 'Vitamin-K - Beriberi'

Zoology

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