Which disease is caused by deficiency of Vitamin C?
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✅ Correct Answer: C — Scurvy
Scurvy is caused by deficiency of Vitamin C (Ascorbic Acid). Vitamin C is essential for the synthesis of collagen protein. Without collagen, blood vessels become fragile, causing bleeding gums, skin hemorrhages, poor wound healing, and joint pain. Historically, sailors suffered from scurvy due to lack of fresh fruits.
❌ Why other options are wrong:
• A. Rickets — Caused by deficiency of Vitamin D (or calcium/phosphorus); leads to weak, soft bones in children.
• B. Pellagra — Caused by deficiency of Vitamin B3 (Niacin); characterized by 3 Ds: Dermatitis, Diarrhea, Dementia.
• D. Beri-beri — Caused by deficiency of Vitamin B1 (Thiamine); affects the nervous system and heart.
📝 Important Note: Vitamin C deficiency = Scurvy. Vitamin D deficiency = Rickets. Vitamin B1 deficiency = Beri-beri. Vitamin B3 deficiency = Pellagra. These are top-scoring SSC CGL questions. Citrus fruits are the best source of Vitamin C.
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