Multiple choice

In skull of frog, y-shaped bone is

  1. squamosal

  2. palatine

  3. quadratojugal

  4. pterygoid

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The quadratojugal is a small jaw bone that is present in most amphibians, reptiles and birds, but has been lost in mammals. It is connected to the jugal as well as other bones, though these may vary with species.