Vertebrate Skeleton MCQs

structures that are equivalent to each other in their origin are called?

homologous structures
heterologous structures
metalogous structures
None of these

Correct Answer

homologous structures

All vertebrates’ skeletons, a whale’s, or a cat’s, have __ main parts

3
5
2
6

Correct Answer

2

_ supports the central column, or axis, of the animal

appendicular skeleton
axial skeleton
Both of these
None of these

Correct Answer

axial skeleton

The axial skeleton includes _

Skull
Backbone
Rib cage
All of these

Correct Answer

All of these

The skull protects the _

Brain
Spine
Heart
All of these

Correct Answer

Brain

Rib cage protects _?

Brain
Spine
Heart
All of these

Correct Answer

Heart

Backbone protects _

Brain
Spine
Heart
All of these

Correct Answer

Spine

_ includes the shoulders, pelvis, and bones of the arms and legs

appendicular skeleton
axial skeleton
Both of these
None of these

Correct Answer

appendicular skeleton

Appendicular skeleton includes _

Shoulders
pelvis
bones of the arms and legs
All of these

Correct Answer

All of these

In which of these organisms, the appendicular skeleton has become extremely reduced or nonexistent?

Goat
Human
snake
shark

Correct Answer

snake