NEET 2013 · Class 11

Biological Classification

Specialized cells for fixing atmospheric nitrogen in *Nostoc* are

  1. (A)heterocysts
  2. (B)hormogonia
  3. (C)nodules
  4. (D)akinetes

The NCERT line that answers it

Verbatim line

Some of these organisms can fix atmospheric nitrogen in specialised cells called **heterocysts**, e.g., *Nostoc* and *Anabaena*.

Chapter
Biological Classification
Section
2.1.2 Eubacteria
Page
3
Words matched
17 of 17

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

How this line gives the answer

0, emb=0.9792, combined=0.9875). Verified: high — The span explicitly states that Nostoc fixes atmospheric nitrogen in specialized cells called heterocysts, which directly matches the question and correct answer.

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