Class 6 Science
Body Movements
Q.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.
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Q.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.
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Q.3
Match the items in Column I with one or more items of Column II.
Column I Column II
Upper jaw has fins on the body
Fish has an outer skeleton
Ribs can fly in the air
Snail is a movable joint
Cockroach protect the heart
shows very slow movement
have a streamlined body
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Q.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?
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