Page 2 - 3. Home Assignment I (Obj & Subj)-Joints

7 It moves by the extension and contraction of its muscles-
a) Bones
b) muscles
c) Cartilage
d) Tendon
8 I am well protected inside the fixed joint.
a) Stomach
b) Brain
c) Heart
d) Lungs
9 The wrist can move from side to side as well as back and forth.
a) They have ball and socket joint
b) They have a hinge joint
c) They have pivot joint
d) They have gliding joint
10 Which statements are true for the movement of bones?
i) Muscles make the bone move and help in body movement.
ii) Muscles can push the bone but cannot pull themselves.
iii) Muscles work in pairs to produce the movements.

a) Option (i) & (ii) are correct.
b) Option (ii) & (iii) are correct.
c) Option (i) & (iii) are correct.
d) Option (i), (ii) & (iii) are correct.

Subjective-

SL. Questions Mark Skill
No.
Q.1 Define ‘joints’ in our body. 1 E

Q.2 What is a tendon? Write its function. 1 E
Q.3 (a) Describe the ball and socket joint. 3 Av
(b) What kind of movement does such a joint allow?
(c) Where is this joint found in our body?
Q.4 a) What do you understand by ‘a slightly movable joint’ in our 3 Av

body?
b) What is the difference between a hinge joint and a gliding joint?
c) Give an example where the above joints are found in our body.
Q.5 (a) What are joints? 3 D
(b) Explain the categories of joints with function and location.
Q.6 Riya fell while rehearsing for her dance performance, and 3 H
injured her leg. On examination, the doctor advised her to
get an X-ray image of the injured part.
(a) What are X-rays?
(b) How will they help in ascertaining Riya’s condition?

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