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Question-1
What make bones so strong?
(A)
Silica
(B)
Cartilage
(C)
Blood and marrow
(D)
Calcium and phosphorous
Question-2
How many bones are there in an average person's body?
(A)
33
(B)
206
(C)
639
(D)
625
Question-3
Which is the joint between the atlas and axis ?
(A)
Ball and socket
(B)
Saddle
(C)
Pivot
(D)
Angular
Question-4
How many ribs are there in human body?
(A)
20 pairs
(B)
10 pairs
(C)
12 pairs
(D)
8 pairs
Question-5
Muscles are made of :
(A)
Silica
(B)
Polyester threads
(C)
Calcium and phosphorous
(D)
Groups of cells called fibres
Question-6
What is the junction between a nerve cell and the motor unit called ?
(A)
Creatine phosphate
(B)
Synapse
(C)
Neuromuscular junction
(D)
Sarcomeres
Question-7
The total number of bones in human skull are:
(A)
30
(B)
29
(C)
25
(D)
106
Question-8
What is the difference between cartilage and bone?
(A)
Bone is rubbery, and cartilage is firm
(B)
Cartilage is rubbery, and bone is firm
(C)
Bone is a more primitive tissue than cartilage
(D)
Bone is inside the body, and cartilage is outside
Question-9
The purpose of the rib cage is to:
(A)
Protect the stomach
(B)
Protect the spinal cord
(C)
Protect the heart and lungs
(D)
Provide an object to which the lungs can attach
Question-10
What is the skeletal system?
(A)
All the bones in the body
(B)
All the muscles and tendons
(C)
All the body's organs, both soft and hard tissue
(D)
All the bones in the body and the tissues that connect them
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Cambridge Secondary Grade 9
IGCSE
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Genetics
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