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Ncert Solutions for Class 6 Science Body Movements


Ncert Solutions Assignments

In this page we have Ncert Solutions for Class 6 Science Body Movements. Hope you like them and do not forget to like , social share and comment at the end of the page.
Question 1
 Fill in the blanks:
(a) Joints of the bones help in the ____ of the body.
(b) A combination of bones and cartilages forms the ____ of the body.
(c) The bones at the elbow are joined by a _____ joint.
(d) The contraction of the ____pulls the bones during movement.

Answer:
a) movement
b) skeleton
c) hinge
d) muscle



Question 2
Indicate true (T) and false (F) among the following sentences.
(a) The movement and locomotion of all animals is exactly the same.
(b) The cartilages are harder than bones.
(c) The finger bones do not have joints.
(d) The fore arm has two bones.
(e) Cockroaches have an outer skeleton.
Answer:
a) False
b) False
c) False
d) True
e) True




Question 3
 Match the items in Column I with one or more items of Column II.
Column I              
Column II
Upper jaw
have fins on the body
Fish
has an outer skeleton
Ribs
can fly in the air
Snail
is an immovable joint
Cockroach
protect the heart
shows very slow movement
have a streamlined body



Answer:
Column I              
Column II
Upper jaw
is an immovable joint
Fish
have fins on the body
have a streamlined body
Ribs
protect the heart
Snail
shows very slow movement
Cockroach
has an outer skeleton
can fly in the air


Question 4
Answer the following
a) What is a ball and socket joint?
b) Which of the skull bones are movable?
c) Why can our elbow not move backwards?
Answer
a)
A ball and socket joint is a moveable joint. The rounded end of one bone fit into the cavity (hollow space) of the other bone. It allows movement in all directions. Example: shoulder joints.
b)
Only the lower jaw in skull bones is movable.
c)
Elbow joint is an example of hinge joint which allows movement back and forth. Therefore, we cannot move our elbow backwards.


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