Direction: In each of the following questions, four words have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd one.
Show answer & explanation
Correct answer: D
Explanation
Blockchain: It is a digital technology related to computer science and information technology (IT), used to securely record data.
Database: It is also a part of computer science, used to organize and store data digitally.
Encryption: It is a process in cybersecurity and computer science, by which data is converted into a secure code so that no unauthorized person can read it.
The three terms above (blockchain, database, and encryption) are technical terms related solely to the fields of computer science and information technology.
Ecosystem: This term is related to biology and ecology. It refers to the interrelationship between living organisms (plants, animals) and non-living components (air, water, soil) of an area.
The correct answer is ecosystem.