Which of the following parts of our body help us in movement?
(i) Bones (ii) Skin (iii) Muscles (iv) Organs Choose the correct answer from the options below.

(a)

(i) and (iii)

(b)

(ii) and (iv)

(c)

(i) and (iv)

(d)

(i) and (iv)

Which one of the following organisms lack muscles and skeleton for movement?

(a)

Dog

(b)

Snail

(c)

Earth worm

(d)

Human being

__________ joints are immovable.

(a)

Shoulder and arm

(b)

Knee and joint

(c)

Upper jaw and skull

(d)

Lower jaw and upper jaw

Why do underwater divers wear fin-like flippers on their feet ?

(a)

To swim easily in water

(b)

To look like a fish.

(c)

To walk on water surface

(d)

To walk over the bottom of the sea (sea bed).

External ear (pinna )is supported by

(a)

bone

(b)

cartilage

(c)

tendon

(d)

capsule

Cockroach moves with the help of its

(a)

leg

(b)

bone

(c)

muscular foot

(d)

whole body

Which one of the following categories of vertebrae are correctly numbered.

(a)

Cervical-7

(b)

Thoracic-10

(c)

Lumbar - 4

(d)

Sacral - 4

Movement of organisms from place to place is called __________.

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locomotion

__________ refers to change in position of the part of an organisms body.

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Movement

A structure which provides rigid frame work to the body is called __________

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skeleton

Axil skeleton in human consists of __________, __________, __________ and __________.

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skull, sternum, ribs and vertebral column

Appendicular skeleton in human consists of __________ and __________.

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  pectoral girdle and pelvic girdle

The place where two bones meet is termed as __________.

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joint

__________ is attached to soft parts of the body like blood vessels, iris, bronchi and the skin

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Non-striated muscle

_____ muscle makes pupil of eyes wider.

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Radial

Skull in humans consists of 22 bones

(a) True

(b) False

There are 12 pairs of ribs in human body.

(a) True

(b) False

Pelvic girdle is a part of axial skeleton.

(a) True

(b) False

Hinge joint is slightly movable joint.

(a) True

(b) False

Cardiac muscle is a voluntary muscle.

(a) True

(b) False

The flexor and extensor muscle of the arm are antagonistic muscles.

(a) True

(b) False