Continuous bleeding from an injured part of body is due to deficiency of
a)	Vitamin-A	b)	Vitamin-B	c)	Vitamin-K	d)	Vitamin-E

(c)

Vitamin –K is required for clotting process; it is required for the formation of prothrombin in liver, the deficiency of which leads to severe bleeding disorders. Deficiency of vitamin-A causes night blindness, xerophthalmia, keratomalacia, retarded growth. Deficiency of vitamin-B causes beri-beri disease. Deficiency of vitamin-E causes sterility.