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In this page we have NCERT Solutions for Class 6 Science Chapter 8 body Movements. Hope you like them and do not forget to like , social share
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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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Class 6 Maths
Class 6 Science
