Question

Deficiency disease and symptoms of vitamin A,D,E and K

Answer 1

↓ Vitamin A ⇒ Nyctalopia ⇒ Night blindness
↓ Vitamin D ⇒ Rickets ⇒ Defective calcification of bone
↓ Vitamin E ⇒ Sterility ⇒ Inability to reproduce
↓ Vitamin K ⇒ Haemorrhage ⇒ Profuse loss of blood 

Answer 2

Vitamin D - Rickets - Defective calcification of bone
Vitamin K - Haemorrhage - Profuse loss of blood 
Vitamin A -  Nyctalopia - Night blindness 
Vitamin E - Sterility - Inability to reproduce