Essential vitamin for calcification is:

Correct option is D

✅ (d) Vitamin D: • Essential for calcium absorption and bone mineralization (calcification). • Helps maintain proper calcium and phosphate levels in the blood. • Deficiency causes rickets in children and osteomalacia in adults.
❌ (a) Vitamin A: • Important for vision and immunity, not calcification.
❌ (b) Vitamin B: • Involved in metabolism and energy production.
❌ (c) Vitamin C: • Important for collagen synthesis and immunity, not calcium metabolism.