Questions

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

a rich source of something

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Cyber security has ________________interesting parallel to terrorism. _________________ are asymmetric. Ensuring security of data, information, and communication is considerably harder than hacking into a system. The attacker has an inherent ________________ in both conventional terrorism and cyber attacks. In the case _________________ state­sponsored attacks, the challenges are of a much ________________ magnitude.

the challenges are of a much ________________ magnitude.

A sound of single frequency is called a

The warm and cold ocean currents are caused by

Which of the following uses the spawn mechanism to duplicate itself ?

Piano was invented by ________.

Which movie has won 'the best picture award' in the 90th Oscar awards?

The Queen who had the nick name "Bloody Mary"