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 option below.

• (i) and (iii)

• (ii) and (iv)

• (i) and (iv)

• (ii) and (iii)

Which of the following joints is immovable?

• Shoulder and arm

• Knee and thigh

• Upper jaw and skull

• The lower jaw and upper jaw

A snail moves by its muscular

• wings

• foot

• fins

• none of these

The skull covers and protects the

• Ears

• neck

• fingers

• brain

Which of the following organisms does not have both muscles and skeleton for movement?

• Dog

• snail

• Earthworm

• Human being

Underwater divers wear fin-like flippers on their feet to

• swim easily in water

• look like a fish

• walk on the water surface

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

How many muscles work together to move a bone?

• One

• Two

• Three

• Four

The image shows a joint found at the elbow. What is the type of joint present between the humerus and ulna?

• Ball and socket

• Fixed

• Hinge

• Pivot

How can fishes flow around easily in the water?

• Due to small-sized body

• Due to streamlined body

• Due to the presence of thin skin

• Due to the presence of scales on their body

Which of these represents one of the reasons that enable birds and NOT humans to fly?

• They have long bones.

• They have strong beaks

• They have strong hind limbs

• They have hollow and light bones.

Tags

NGSS.MS-LS4-4