Q. Who from Uttar Pradesh chaired the Nobel Peace Prize-winning IPCC?
Answer: Rajendra K. Pachauri
Notes: Rajendra K. Pachauri, from Uttar Pradesh, led IPCC as Chairman when it shared the Nobel Peace Prize in 2007, recognizing efforts to build knowledge about climate change. Pachauri is notable for his role in global climate policy. Other options are renowned scientists but not former IPCC chairpersons.