What should come in place of the question mark (?) in

Palladium on barium sulphate (Pd/BaSO₄) is also known as:

  “Magnus Carlsen” is associated with which of the following games?

In 1932, who founded the 'All India Harijan Sangh', also known as 'Harijan Sevak Sangh'?

On whose advice did Gandhiji spend a year travelling around British India to know the people of India?

Consider the following statement about 2023 Gender Social Norms Index:

1. This Index is developed by the UNDP

When was the first ‘Minning Policy’ in Uttarakhand State declared?

India accounts for 45.8 million of the world’s missing females according to the State of World Population 2020 report of:

What is the traditional culinary delight from Odisha’s Mayurbhanj district that recently received a Geographical Indication (GI) tag?

Whose reign saw the largest extension of Delhi Sultanate?