Only the upper jaw has horny beak in __________.

Sphenodon

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Alligator

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Cobra

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Lacertilia

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Sphenodon
Tuataras (Sphenodon) have a single row of teeth on the lower jaw and a double row of teeth on the upper jaw, with the bottom row fitting between the two upper rows when the mouth is closed. Hence option A is correct.

Suggest Corrections

Similar questions

Question 2

Which of the following joints is immovable?
(a) Shoulder and arm
(b) Knee and joint
(c) Upper jaw and skull
(d) Lower jaw and upper jaw

Join BYJU'S Learning Program