Solved Examples on Locomotion and Movement

Question1: In mammals, the number of cervical vertebra is [CPMT 1991, AFMC 2008]

(a) 5

(b) 7

(c) 10

(d) 12

Answer: b

Solution:

In mammals, the number of cervical vertebra is seven.

Question2: The pectoral and pelvic girdles and the bones of limb form [CPMT1987, DPMT 1993, MHCET 2000]

(a) Axial skeleton

(b) Appendicular skeleton

(c) Visceral skeleton

(d) Outer skeleton

 Answer: b

Solution:

Appendicular skeleton is situated at the lateral sides which actually extend outwards from the principal axis. It consists of pectoral and pelvic girdle and bones of arms and legs.

Question3: Pelvic girdle of rabbit consists of

(a) Illium, ischium & pubis

(b) Illium, ischium & coracoid

(c) Coracoid, scapula and clavicle

(d) Illium, coracoids & scapula

Answer: a

Solution:

Pelvic girdle comprises of the usual three bones illium, ischium & pubis which are fused together into a single innominate or hip bone.