Which among the following organizations is / are based in Geneva?

1. European Organization for Nuclear Research (CERN)

2. International Telecommunication Union (ITU)

3. International Labour Organization (ILO)

4. World Health Organization (WHO)

Select the correct option from the codes given below:

Answer: [D] 1, 2, 3 & 4

This question is a part of GKToday's Integrated IAS General Studies Module