NEET 2015 · Class 11

Cell: The Unit of Life

The structures that help some bacteria to attach to rocks and/or host tissues are

  1. (A)mesosomes
  2. (B)holdfast
  3. (C)rhizoids
  4. (D)fimbriae

The NCERT line that answers it

Verbatim line

The **fimbriae** are small bristle like fibres sprouting out of the cell.

Chapter
Cell: The Unit of Life
Section
8.4.1 Cell Envelope and its Modifications
Page
6
Words matched
33 of 33

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 'In some bacteria, they are known to help attach the bacteria to rocks in streams and also to the host tissues', which directly matches the MCQ's requirement about structures helping bacteria attach to rocks and/or host tissues.

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Question text is reproduced from the published NEET 2015 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.