<prompt> Hypogonadism, reduced immunity and alopecia may be a deficiency manifestation of: September 2012IronCopperZincMagnesium  <response>: Ans: C i.e. Zinc Manifestations of Zinc deficiency Primary T-cell lymphocyte immune system dysfunction leading to failure to terminate incipient malignancies, viral and fungal infections; Frequent oppounistic infections due to inability to protect cell membranes from viruses, toxins, complement, and venoms; Respiratory and skin allergies, Asthma; Chronic diarrhea; Abnormal neurosensory changes, Poor appetite paicularly in the young and aged; Mental lethargy, Feility problems including hypogonads, failure of sexual maturity, benign prostatitis in men, and menstrual cramping and bloating in women, Bih defects; Growth failure dwarfism and growth retardation; Premature aging; Vision problems; Loss of taste; Joint pain; Essential hypeension; Angina pectoris; Ischemia of effo; Delayed wound healing; Scleroderma; Systemic scleroderma including lethal pulmonary hypeension; Loss of hair color; Anemia; Striae stretch marks; Night blindness; Acne; and Defective connective tissue and macular degeneration; and Apathy and irritability. 