CBSE Class 5 Science: Skeleton, Joints and Muscles MCQs

A frog is a vertebrate.

The skull forms a hard covering around the brain.

The bones called vertebrae form the backbone.

The femur is the thigh bone.

The sternum is also called the breastbone.

Their front ends do not attach to the breastbone.

A ball-and-socket joint allows movement in several directions.

A pivot joint in the upper neck allows rotation.

Tendons pass the pull of muscles to bones.

Ligaments join bones and help steady joints.

Synovial fluid helps the joint surfaces slide smoothly.

Cardiac muscle works automatically in the heart.

When you bend your arm, skeletal muscles contract and pull on the bones across the elbow.

Cartilage covers the ends of bones at many joints and helps reduce friction.

The elbow bends and straightens like a hinge.