Select the correct statement regarding the specific disorder of muscular or skeletal system.

(A)Muscular dystrophy - Age related shortening of muscles
(B)Osteoporosis - Decrease in bone mass and higher chances of fractures with advancing age
(C)Myasthenia gravis - Autoimmune disorder which inhibits sliding of myosin filaments
(D)Gout - Inflammation of joints due to extra deposition of calcium

The NCERT line that answers it

Verbatim line

**Osteoporosis:** Age-related disorder characterised by decreased bone mass and increased chances of fractures.

Chapter: Locomotion and Movement
Section: 17.5 Disorders of Muscular and Skeletal System
Page: 10
Words matched: 13 of 13

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The NCERT span explicitly states 'decreased bone mass and increased chances of fractures,' which directly matches and conclusively proves option B's description of osteoporosis.

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Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

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Question text is reproduced from the published NEET 2012 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.