NEET 2021 · Class 11
Cell: The Unit of Life
Match List-I with List-II. List-I | List-II (a) Cristae | (i) Primary constriction in chromosome (b) Thylakoids | (ii) Disc-shaped sacs in Golgi apparatus (c) Centromere | (iii) Infoldings in mitochondria (d) Cisternae | (iv) Flattened membranous sacs in stroma of plastids Choose the correct answer from the options given below.
- (A)(a)-(iv) (b)-(iii) (c)-(ii) (d)-(i)
- (B)(a)-(i) (b)-(iv) (c)-(iii) (d)-(ii)
- (C)(a)-(iii) (b)-(iv) (c)-(i) (d)-(ii)
- (D)(a)-(ii) (b)-(iii) (c)-(iv) (d)-(i)
The NCERT line that answers it
Verbatim lineThe inner membrane forms a number of infoldings called the cristae (sing.: crista) towards the matrix (Figure 8.7).
- Chapter
- Cell: The Unit of Life
- Section
- 8.5.4 Mitochondria
- Page
- 12
- Words matched
- 18 of 18
The answer appears as a continuous sentence in NCERT. This is that sentence.
How this line gives the answer
5, emb=0.9902, combined=0.7941). Verified: high — The span explicitly states 'The inner membrane forms a number of infoldings called the cristae', which directly matches (a)-(iii) 'Cristae' with 'Infoldings in mitochondria'.
We did this for 1,565 questions.
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.
Question text is reproduced from the published NEET 2021 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.