(C) The $atlas$ vertebra is the first cervical vertebra $(C1)$,which is unique because it lacks a $centrum$ (body). The $axis$ vertebra is the second

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(C) The $atlas$ vertebra is the first cervical vertebra $(C1)$,which is unique because it lacks a $centrum$ (body). The $axis$ vertebra is the second cervical vertebra $(C2)$,which possesses a $centrum$ and a characteristic $odontoid$ process (dens). Therefore,the $centrum$ is not common to both.

Class 11 Biology Locomotion and Movement Axial skeleton

Medium

Which of the following structures are not common to both atlas and axis vertebrae?

A
Vertebral canal
B
Neural arch
C
Centrum
D
Pre-zygapophysis

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Class 11 Questions

Class 11

Biology Questions

Chapter

Locomotion and Movement

Subtopic

Axial skeleton

The long neck of a camel is due to:

Medium

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Match the following columns:

Column-$I$ Column-$II$ (Number of bones)

$P$. Face $I$. $6$

$Q$. Ear ossicles $II$. $14$

$R$. Cranium $III$. $1$

$S$. Hyoid bone $IV$. $8$

Medium

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What are called false ribs?

Easy

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Fused vertebrae in human are
$I.$ Sacral
$II.$ Coccygeal
$III.$ Thoracic
$IV.$ Cervical
$V.$ Lumbar

Medium

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How many bones make up the rib cage?

Difficult

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Column-$I$	Column-$II$ (Number of bones)
$P$. Face	$I$. $6$
$Q$. Ear ossicles	$II$. $14$
$R$. Cranium	$III$. $1$
$S$. Hyoid bone	$IV$. $8$

Which of the following structures are not common to both atlas and axis vertebrae?

Similar Questions

The long neck of a camel is due to:

Match the following columns: Column-$I$ Column-$II$ (Number of bones) $P$. Face $I$. $6$ $Q$. Ear ossicles $II$. $14$ $R$. Cranium $III$. $1$ $S$. Hyoid bone $IV$. $8$

What are called false ribs?

Fused vertebrae in human are$I.$ Sacral$II.$ Coccygeal$III.$ Thoracic$IV.$ Cervical$V.$ Lumbar

How many bones make up the rib cage?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Match the following columns:

Column-$I$ Column-$II$ (Number of bones)

$P$. Face $I$. $6$

$Q$. Ear ossicles $II$. $14$

$R$. Cranium $III$. $1$

$S$. Hyoid bone $IV$. $8$

Fused vertebrae in human are
$I.$ Sacral
$II.$ Coccygeal
$III.$ Thoracic
$IV.$ Cervical
$V.$ Lumbar