Deficiency of Vitamin-D results in

Correct answer: rickets

Explanation: ✅ Correct Answer: D) rickets 📚 Explanation: Vitamin D plays a critical role in helping the human body absorb calcium and phosphorus, which are essential for building strong bones. A prolonged deficiency of this vitamin leads to a disease called rickets in children. Rickets causes the bones to become soft, weak, and deformed, often leading to bowed legs. Regular exposure to sunlight and eating fortified foods are effective ways to prevent this nutritional deficiency.