This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Defect in collagen formation is seen in: 
Select and explain. 
A. Scurvy, B. Hunter's syndrome, C. Marfan's syndrome, D. All
A: Scurvy
Answer: A: Scurvy 
Explanation: A i.e. Scurvy Collagen show triple helixQ and is never present free inside the cytoplasmQ. Scurvy, osteogenesis imperfectaQ, Ehler - Danlos syndrome & Alpo syndrome occurs d/t its deficient synthesis.