NEET UG 2017 · Zoology · Question 144
NEET 2017 Zoology, question 144
Question 144 of the NEET 2017 paper (code A) is a Zoology question from Locomotion and Movement. Its idea, Ribs and Sternum, was asked twice, in 2017 and 2019, across NEET 2017–2026. The CBSE official answer key gives option 1.
Updated 2026-10-08
Q144 · Zoology
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 :
- 1X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum.Official answer
- 2X = 12, Y = 5 True ribs are attached dorsally to vertebral column and sternum on the two ends.
- 3X = 24, Y = 7 True ribs are dorsally attached to vertebral column but are free on ventral side.
- 4X = 24, Y = 12 True ribs are dorsally attached to vertebral column but are free on ventral side.
Official answer: option 1 · CBSE official answer key
Same idea
Ribs and Sternum, in other papers
NEET asked this idea twice, in 2017 and 2019. The other question below.
- 2019 Q180Select the correct option.One-line MCQ · Medium
The chapter
Locomotion and Movement in ten years of NEET
19 questions from 2017–2026, asked in 9 of 10 papers, about 1.8 a paper. Human Skeleton and Musculoskeletal Disorders alone had 10.