Step 1: Understanding the Question:
• The question asks for the correct pairs of plasma globulins and the substance they bind.
Step 2: Detailed Explanation:
• A. Gamma globulin - specific antigens: gamma globulins are antibodies and bind specific antigens (correct).
• B. Ceruloplasmin - Vitamin D and C. Transferrin - iron ions: as per the NTA final answer key these pairs are accepted as correct.
• D. Beta 2 globulin - cortisone: not accepted by the key.
• Accepted pairs: A, B and C only.
Step 3: Final Answer:
The correct option is (C) A, B and C only, as per the NTA final answer key.