Pediatrics A child presents with growth retardation, hypogonadism, alopecia and immunodeficiency. The child has deficiency of – A Zinc B Vitamin A C Folic Acid D Cholecalciferol 💡 Explanation A child presents with growth retardation, hypogonadism, alopecia and immunodeficiency. The child has deficiency of - ✓ Correct Answer: A. Zinc