<prompt> Which of the following rib is known as floating rib?891011  <response>: Ans. D 11Ref: Netters Clinical Anatomy, 3rd ed. pg. 89 The 11th and 12th ribs are floating ribs as they are free at their ends. The 8th, 9th and 10th ribs are false ribs as they are joined to form cartilage of rib immediately above. The first 7 pair of ribs are true ribs. 