Who among the following has not been awarded the Nobel Prize 2025 in Physics?

International Day of Older Persons is observed on which of the following days?

The Cold Desert Biosphere Reserve has been included in UNESCO’s World Network of Biosphere Reserves in September 2025. It is located in which state?

The book titled ‘I am Georgia – My Root, My Principle’ is the autobiography of the Prime Minister of which of the following countries?

Which of the following has been ranked first in the list of the world’s most populous cities in 2025?