Question

The number of floating ribs, in the human body, is

(a) 6 pairs

(b) 5 pairs

(c) 3 pairs

(d) 2 pairs

Answer 1

Correct Option (d) 2 pairs
Explanation:

Usually, there are 12 pairs of ribs, hut occasionally these may be 11, 13 or even 14 pairs. The first seven pairs of ribs are known as true ribs. Pairs 8, 9, 10 are false ribs, they are attached indirectly to sternum by means of cartilages. Last two pairs (11 and 12) do not reach to the sternum and are known as 'floating ribs'.