Step 1: Concept
Endocrine glands and their hormones.
Step 2: Meaning
Associating glands with specific hormone production.
Step 3: Analysis
Pituitary produces oxytocin (A-III). Adrenal cortex produces cortisol (B-I). Pancreas produces insulin (C-II). Adrenal medulla produces adrenaline (D-IV).
Step 4: Conclusion
The correct matching is A-III, B-I, C-II, D-IV.
Final Answer: (A)