In humans the neck is joined by the head by which of the following joints?

The correct answer is Pivotal joint.

Key Points

• pivot joint
  • The pivot joint is the joint that is present in the area where the neck joins the head.
  • Pivot joints, also known as rotary joints,
  • Pivot joints permit axial rotation.
  • The moving bone rotates within a ring formed by the concave surface of a second bone and an adjoining ligament.​

Additional Information

• Ball and socket joint
  • The ball and socket joint or spheroid joint can be defined as a synovial joint in which the ball-shaped surface of one rounded bone fits with the cup-like depression of another bone in the body.
  • There are only two ball and socket joints in human body – one in the shoulder and the other in the hip
• The hinge joint is commonly referred to as the knee.
  • Hinge Joint is a joint in the human body that serves motion in one plane.
  • It is a common class of synovial joint that includes the:-
  • Ankle
  • Knee
  • Finger Joints 
  • Toe Joints​
• Fixed Joint:
  • There are some bones in our head that are joined together at some joints. The bones cannot move at these joints. Such joints are called fixed joints.
  • For example - The joint between the head and upper jaw, cannot be moved.