MCQs on Skeletal System for Class 5

What is the main function of the skeletal system?

• Help in breathing

• Pump blood

• Support the body and help in movement

• Digest food

How many bones are there in an adult human body?

• 100

• 206

• 300

• 150

What protects the brain?

• Ribs

• Spine

• Skull

• Pelvis

What are bones made of?

• Cotton

• Wood

• Calcium and minerals

• Plastic

Which bone protects the heart and lungs?

• Skull

• Spine

• Rib cage

• Femur

The longest bone in the human body is the:

• Humerus

• Tibia

• Femur

• Spine

Which part of the body has the most number of bones?

• Head

• Legs

• Hands

• Feet

Which bone helps you bend your arm?

• Skull

• Radius

• Femur

• Rib

Which bone forms the backbone?

• Skull

• Spine

• Femur

• Rib

What connects bones to each other at joints?

• Ligaments

• Muscles

• Skin

• Blood