A) VaccineB) CicadaC) PerseveranceD) Insurrection Explanation: The American publishing company Merriam-Webster has chosen the word “vaccine” as its 2021 Word of the Year.

A) GoaB) DelhiC) West BengalD) Kerala Explanation: The 7th edition of the four-day India International Science Festival (IISF) is scheduled to be held in Panaji, Goa, from December 10 to 13, 2021. The festival theme in 2021 is  `Celebrating Creativity in Science, Technology and Innovation for Prosperous India’.

A) Om Prakash DadhichB) Vivek JohriC) Sandeep KumarD) Sungita Sharma Explanation: Senior bureaucrat Vivek Johri has been appointed as the new Chairman of the Central Board of Indirect Taxes and Customs (CBIC).

A) UttarakhandB) Tamil NaduC) GujaratD) Manipur Explanation: The Indian Railways is constructing the tallest pier railway bridge of the world in Manipur. The bridge is being built at a height of 141 metres.

A) Ratan P WatalB) Ramesha ChandraC) V K SaraswatD) Rajiv Kumar Explanation: The Ministry of Housing and Urban Affairs has formed a five-member committee for timely completion of various projects executed under the Central Vista Redevelopment Plan. The committee will be headed by former finance secretary Ratan P Watal.

A) PragueB) SlovakiaC) Czech RepublicD) Austria Explanation: Petr Fiala has been sworn in as the new Prime Minister of the Czech Republic by President Milos Zeman on November 28, 2021.