K-Pop sub-units & their songs

A preview of every question in this General K-pop quiz. The correct answers are revealed only when you play.

1. Which sub-unit of GOT7 debuted with the song "Focus On Me"?

   • JJ Project
   • GOT2
   • JJ2
   • Jus2

2. Which groups is Orange Caramel a sub-unit of?

   • Apink
   • Red Velvet
   • After School
   • Girls' Generation

3. What is the name of NCT's Chinese sub-unit?

   • NCT Wish
   • WayV
   • NCT Dream
   • NCT U

4. Not including SMROOKIES and the yearly projects, how many sub-units does NCT have? (as of 2026)

   • 4 (Four)
   • 5 (Five)
   • 6 (Six)
   • 7 (Seven)

   Fun fact: NCT U - NCT 127 - NCT DREAM - WayV - NCT DOJAEJUNG - NCT WISH - NCT JNJM

5. What was the name of the Sistar sub-unit, who released the song "Ma Boy" in 2011?

   • Sistar17
   • Sistar18
   • Sistar19
   • Sistar20

6. Debuting with the song "Twinkle", which group was TTS a sub-unit of?

   • Girl's Day
   • Girls' Generation
   • T-ARA
   • KARA

7. Which Seventeen sub-unit released the song "Fighting"?

   • JxW
   • CxM
   • BSS
   • V8

8. What's the name of this Stray Kids sub-unit, known for their producing and songwriting?

   • 2RACHA
   • 3RACHA
   • 4RACHA
   • 5RACHA

9. What's the name of BTOB's third sub-unit, who debuted with the song "Tang Tang Tang"?

   • 90TAN
   • BTOB Blue
   • BTOB 4U
   • BTOB 90

10. Block B BASTARZ, a sub-unit of Block B, debuted in 2015 with which song?

    • HER
    • Freeze
    • Very Good
    • Zero For Conduct

11. What was the name of the duo unit formed by Bobby (iKON) and Mino (Winner) ?

    • MOBB
    • GANG
    • MOBBZ
    • GANGZ

12. Which EXO sub-unit sang "Blooming Day"?

    • EXO-K
    • EXO-M
    • EXO-CBX
    • EXO-SC

13. Which JYPE group sub-unit debuted with the EP "Masterpiece"?

    • MiSaMo
    • Jus2
    • Day6 (Even Of Day)
    • JJ Project

14. The LOONA sub-unit Odd Eye Circle re-debuted after adding 2 other LOONA former members. What is the name of their new group?

    • WJSN
    • ARTMS
    • UNIS
    • QWER

15. What was the name of AOA's band sub-unit?

    • AOA Cream
    • AOA White
    • AOA Red
    • AOA Black

16. What was the name of the sub-unit formed in 2017 by HyunA and Pentagon's Hui and Dawn?

    • Triple Trouple
    • Three H
    • Triple H
    • Trouble Maker

17. Nasty Nasty was a unit group composed of Kevin (ZE:A), Kyungri and Sojin (9Muses). What was their first and only song?

    • Knock
    • Crazy
    • One
    • Wild

18. What does the W stand for, in NU'EST's sub-unit NU'EST W ?

    • Want
    • Wait
    • Wake
    • We

19. VIXX LR, a sub-unit formed by Leo and Ravi, debuted in 2015 with which song?

    • Fantasy
    • Whisper
    • Beautiful Liar
    • Error

20. What was the name of 4minute's only sub-unit, who debuted in 2013 with their first and only release "Harvest Moon"?

    • 2YOU
    • 2YOON
    • 2HYUN
    • 2DAY