Rickets is caused by the deficiency of –

✅Explanation: Vitamin D is essential for calcium absorption and bone health. A deficiency in vitamin D can lead to rickets in children, a condition characterized by soft, weak bones that can cause skeletal deformities.

📌 Other Options Explanations:
-Option A: Vitamin E: Vitamin E is an antioxidant that protects cells from damage.
-Option B: Vitamin A: Vitamin A is important for vision, immune function, and cell growth.
-Option D: Vitamin B complex: B vitamins are a group of nutrients that play various roles in the body, including energy production and cell metabolism.

🛑 Additional Information::
-Vitamin A: 
-This vitamin is vital for growth and development.
-It basically helps in immune function, vitamin a is also an antioxidant.
-It is an essential nutrient for healthy vision, skeletal tissue, and teeth.     
-It is basically found in carrots, eggs, butter, milk, and cheese.

• Vitamin B:
-Vitamin B is classified into 12 categories.
-The important are vitamin B1(thiamine) if there is any deficiency then it causes beriberi and then vitamin B12, cobalamin it causes pernicious anaemia and vitamin B2, rIboflavin it deficiency causes ariboflavinosis.
-Vitamin B is abundantly found in meats.

• Vitamin C:
-It is an antioxidant.
-It helps in immune function.
-The deficiency of vitamin C causes scurvy.
-Vitamin C is richly found in green leafy vegetables like broccoli, orange, lemon, papaya, strawberries,  etc.

• Vitamin D:
-Vitamin D is essential for bones.
-Vitamin D deficiency causes rickets.