Which of the following are the first Gnathostomes?

  • A
    Fish
  • B
    Amphibians
  • C
    Aves
  • D
    Mammalians

Explore More

Similar Questions

Cartilaginous fishes possess which type of scales?

Assertion $A$: Sharks are viviparous animals.
Reason $R$: Sharks possess mammary glands.
Which option is correct for Assertion $A$ and Reason $R$?

Which fin is heterocercal (asymmetrical) in cartilaginous fishes (Chondrichthyes)?

Which of the following characteristic features always holds true for the corresponding group of animals?

Which of the following has a cartilaginous and fibrous endoskeleton?

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