Match the types of immunity listed in Column I with the examples listed in Column II.Choose the answer that gives the correct combination of alphabets of the two columns :Column I Column IITypes of immunity ExampleA. Natural active p. Immunity developed by heredityB. Artificial passive q. From mother to foetus through placentaC. Artificial active r. Injection of antiserum to travellersD. Natural passive s. Fighting infections naturally t. Induced by vaccination

• A. A = t, B = s, C = r, D = p
• B. A = s, B = t, C = q, D = r
• C. A = s, B = r, C = t, D = q
• D. A = p, B = q, C = r, D)=t