The question presents two lists, List-I and List-II, which need to be matched. List-I consists of four persons: Juan Somavia, Margaret Chan, Kemal Dervis, and Mohamed ElBaradei. List-II consists of four organizations: IAEA, ILO, WHO, and UNDP.

Option 1 matches Juan Somavia with IAEA, Margaret Chan with ILO, Kemal Dervis with WHO, and Mohamed ElBaradei with UNDP.

Option 2 matches Juan Somavia with ILO, Margaret Chan with WHO, Kemal Dervis with UNDP, and Mohamed ElBaradei with IAEA.

Option 3 matches Juan Somavia with ILO, Margaret Chan with UNDP, Kemal Dervis with WHO, and Mohamed ElBaradei with IAEA.

Option 4 matches Juan Somavia with IAEA, Margaret Chan with WHO, Kemal Dervis with ILO, and Mohamed ElBaradei with UNDP.

Among the given options, the correct answer is option 2, which correctly pairs the persons with their respective organizations. Juan Somavia is associated with ILO, Margaret Chan with WHO, Kemal Dervis with UNDP, and Mohamed El