Questions

A trade bloc is a type of intergovernmental agreement for a group of countries where barriers to trade are reduced or eliminated among the participating states and less competition and for economic integration.

LIFO (Last In First Out) stack is used in 8085. in this type of Stack the last stored information can be retrieved first.

A fingernail.

In the history, at the time of British rule in 1800's, the island of Sri Lanka formerly known as Ceylon. It is a south asian country located in the northest of the indian ocean.

The council of ministers is collectively responsible to House of the People. Cabinet collective responsibility, also known as collective ministerial responsibility, is a constitutional convention in Parliamentary systems that members of the cabinet must publicly support all governmental decisions made in Cabinet, even if they do not privately agree with them.

In the given options, BIS is the odd one from the other three.  NABARD, RBI & IRDA are the bodies related to financial sector of India. The financial sector consists of banks, investment funds, insurance companies and real estate firms. 

BIS stands for Beareau of Indian Standards is a National standard body of India with the activities of standardization, marking and quality certification of goods.