Vitamin D deficiency results in?

Correct option is B

Sol. Vitamin D deficiency leads to osteomalacia in adults, which causes softening of bones due to poor calcium absorption. It results in bone pain, muscle weakness, and increased risk of fractures. In children, this condition is known as rickets. Vitamin D is essential for calcium-phosphorus balance and bone mineralization.
Explanation of each option:
· (a) Club foot – A congenital deformity present at birth, not caused by vitamin D deficiency; unrelated to bone metabolism.
· (b) Osteomalacia – Correct. It is a soft bone disease in adults caused by inadequate vitamin D, leading to brittle bones.
· (c) Osteomyelitis – A bone infection, usually bacterial; symptoms include fever and localized bone pain.
· (d) Osteoporosis – A condition where bones become porous and fragile, often related to aging, menopause, or calcium deficiency, but not solely due to vitamin D.