NEET 1991 · Class 12

Human Reproduction

Middle piece of mammalian sperm possesses

  1. (A)mitochondria and centriole
  2. (B)mitochondria only
  3. (C)centriole only
  4. (D)nucleus and mitochondria

The NCERT line that answers it

Verbatim line

The middle piece possesses numerous mitochondria, which produce energy for the movement of tail that facilitate sperm motility essential for fertilisation.

Chapter
Human Reproduction
Section
2.3 GAMETOGENESIS
Page
6
Words matched
21 of 21

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 span explicitly states 'The middle piece possesses numerous mitochondria' and makes no mention of centriole or nucleus in the middle piece, which conclusively distinguishes option B as correct.

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Question text is reproduced from the published NEET 1991 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.