4 + Interview Questions in BODY MOVEMENT IN GENERAL AWARENESS Page 1 InterviewSolution

1.	Answer the following questions:(a) What are a ball and socket joint?(b) Which of the skull bones is movable?(c) Why can our elbow not move backward?
Answer» (a) The rounded end of one bone fits into the hollow space of other bone. This is called a ball and socket joint. Ball and socket joints allow movements in all directions, e.g. shoulder and hip can be moved in all directions. (b) In the skull, only the lower jaw is movable. (c) Our elbow cannot move back because the elbow has a hinge joint that allows movement in only one direction.

1.

Answer the following questions:(a) What are a ball and socket joint?(b) Which of the skull bones is movable?(c) Why can our elbow not move backward?

Answer»

(a) The rounded end of one bone fits into the hollow space of other bone. This is called a ball and socket joint. Ball and socket joints allow movements in all directions, e.g. shoulder and hip can be moved in all directions.

(b) In the skull, only the lower jaw is movable.

(c) Our elbow cannot move back because the elbow has a hinge joint that allows movement in only one direction.

Discussion

2.	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

2.

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

Discussion

3.

Match the items in Column I with one or more items of Column II:Column IColumn II(i) Upper jaw(a) have fins on the body(ii) Fish(b) has an outer skeleton(iii) Ribs(c) can fly in the air(iv) Snail(d) is an immovable joint(v) Cockroach(e) protect the heart(f) shows very slow movement(g) have a streamlined body

Answer»

Column I	Column II
(i) Upper jaw	(d) is an immovable joint
(ii) Fish	(a) have fins on the body
(iii) Ribs	(g) have a streamlined body
(iv) Snail	(e) protect the heart
(v) Cockroach	(b) has an outer skeleton

Discussion

4.	Indicate ‘true’ and false’ among the following sentences:(a) The movement and locomotion of all animals are exactly the same.(b) The cartilages are harder than bones.(c) The finger bones do not have joints.(d) The forearm has two bones.(e) Cockroaches have an outer skeleton.
Answer» (a) False (b) False (c) False (d) True (e) True

4.

Indicate ‘true’ and false’ among the following sentences:(a) The movement and locomotion of all animals are exactly the same.(b) The cartilages are harder than bones.(c) The finger bones do not have joints.(d) The forearm has two bones.(e) Cockroaches have an outer skeleton.

Answer»

(a) False

(b) False

(c) False

(d) True

(e) True

Discussion

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Answer the following questions:(a) What are a ball and socket joint?(b) Which of the skull bones is movable?(c) Why can our elbow not move backward?

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.

Indicate ‘true’ and false’ among the following sentences:(a) The movement and locomotion of all animals are exactly the same.(b) The cartilages are harder than bones.(c) The finger bones do not have joints.(d) The forearm has two bones.(e) Cockroaches have an outer skeleton.