Teeth are modified . . . . . . scales which are backwardly directed.

  • A
    Ctenoid
  • B
    Cycloid
  • C
    Placoid
  • D
    Ganoid

Explore More

Similar Questions

Which type of scales are found on the skin of cartilaginous fishes?

Which of the following is a true fish?

Lateral line system is present in

Which is the most venomous fish?

Which of the following is a characteristic feature of fishes?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo