NEET Previous Year Question
Out of (X) pairs of ribs in humans only (Y) pairs are true ribs. Select the option that correctly represents values of (X) and (Y) and provides their explanation:
Topic: NEET PYQ
Answer: D. Full step-by-step solution below.
- A(X) = 12, (Y) = 5 True ribs are attached dorsally to vertebral column and sternum on the two ends
- B(X) = 24, (Y) = 7 True ribs are dorsally attached to vertebral column but are free on ventral side.
- C(X) = 24, (Y) = 12 True ribs are dorsally attached to vertebral column but are free on ventral side.
- D(X) = 12, (Y) = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum.
Correct answer: D
Solution
(d) Humans have 12 pairs of ribs (X = 12), out of which 7 pairs are true ribs (Y = 7).True ribs are attached dorsally to the vertebral column and ventrally to the sternum through costal cartilage.
, , and pairs → false ribs
and pairs → floating ribs
More Locomotion & Movement PYQs
- Select the correct statement regarding the specific disorder of muscular or skeletal system :-
- Which one of the following pairs of chemical substances is correctly categorized?
- Osteoporosis, an age–related disease of skeletal system, may occur due to :-
- Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
- Three of the following pairs of human skeletal parts are correctly matched with their respective inclusive skeletal category and o…