NEET 2015 · Class 11

Biological Classification

In which group of organisms the cell walls form two thin overlapping shells which fit together?

  1. (A)Dinoflagellates
  2. (B)Slime moulds
  3. (C)Chrysophytes
  4. (D)Euglenoids

The NCERT line that answers it

Verbatim line

In diatoms the cell walls form two thin overlapping shells, which fit together as in a soap box.

Chapter
Biological Classification
Section
2.2.1 Chrysophytes
Page
4
Words matched
18 of 18

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 diatoms the cell walls form two thin overlapping shells, which fit together as in a soap box,' which directly matches the question's description and identifies chrysophytes (diatoms are a type of chrysophyte).

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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.