Locomotion and Movement - Online Test
Q1. Axial skeleton consists of
Answer : Option A
Explaination / Solution:
The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.
Q2.
Match the following :
vertebra
a) Cervical
b) Coccyx
c) Thoracic
d) Lumbar
No.of bones feature
i) 5
ii) 4
iii)12
iv) 7
Answer : Option A
Explaination / Solution:
Vertebral column in general. The vertebral column usually consists of 33 vertebrae: 24 presacral vertebrae (7 cervical, 12 thoracic, and 5 lumbar) followed by the sacrum (5 fused sacral vertebrae) and the coccyx (4 frequently fused coccygeal vertebrae).
Q3. Which of the following is not a part of hip bone?
Answer : Option D
Explaination / Solution:
Hip bone or pelvic girdle consists of two coxal bones. Each coxal bone is formed by the fusion of three bones- ilium, ischium and pubis..
Q4. Which of the following is not a part of coxal bone?
Answer : Option A
Explaination / Solution:
The coxal bone (hip bone, pelvic bone) is a large, flattened, irregularly shaped bone, constricted in the center and expanded above and below.
It consists of three parts, the ilium, ischium, and pubis, which are distinct from each other in the young subject, but are fused in the adult.
Q5.
Match the following :
Animal
a) Sphyrna
b) Pediculus
c) Asterias
d) Metridium
type of skeleton
i) exoskeleton
ii) hydrostatic skeleton
iii) cartilaginous skeleton
iv) endoskeleton
Answer : Option A
Explaination / Solution:
Different kinds of skeleton system is found in different organisms. Sphyma contain cartilaginous skeleton. Pediculus contain exoskeleton. Asterias contain endoskeleton and Metridium contains hydrostatic skeleton.
Q6. The upright posture in humans is facilitated by :
Answer : Option D
Explaination / Solution:
The upright posture in human is facilitated by massive hind limbs bones that makes broad feet and pelvis to with hold the weight of whole body.
Q7.
Each pectoral girdle :
i. has 2 pairs of bones, a pair of clavicle and a pair of scapula.
ii. scapula contains expanded process and glenoid cavity, the latter is for articulation of the head of humerus.
Answer : Option A
Explaination / Solution:
The dorsal, flat, triangular body of scapula has a slightly elevated ridge called the spine which projects as a flat, expanded process called the acromion. Below the acromion is a depression called the glenoid cavity which articulates with the head of the humerus to form the shoulder joint.
Q8.
Match the following bones and their synonyms :
column A
a) Hipbone
b) Kneebone
c) Collarbone
d) immovable joint
column B
i) patella
ii) clavicle
iii) suture
iv) innominate
Answer : Option B
Explaination / Solution:
Hip bone is called as innominate bone, kneebone is called as patella, collarbone is called as clavicle and immovable joint is called suture.
Q9. Select the correctly matched pair :
Answer : Option A
Explaination / Solution:
Last 2 pairs i.e., 11th and 12th of ribs are not connected ventrally and are therefore, called floating ribs.
Q10. In a woman, pelvis is larger and has broader front than a man. It is :
Answer : Option D
Explaination / Solution:
In a woman, pelvis is larger and has broader front than a man. It is an adaptation for gestation and parturition during pregnancy.
