NEET 2013 · Class 11

Plant Kingdom

Isogamous condition with non-flagellated gametes is found in (2013)

  1. (A)Volvox
  2. (B)Fucus
  3. (C)Chlamydomonas
  4. (D)Spirogyra

The NCERT line that answers it

Verbatim line

These gametes can be flagellated and similar in size (as in *Ulothrix*) or non-flagellated (non-motile) but similar in size (as in *Spirogyra*).

Chapter
Plant Kingdom
Section
3.1 ALGAE
Page
1
Words matched
27 of 27

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 that Spirogyra has non-flagellated gametes that are similar in size, which directly matches the isogamous condition with non-flagellated gametes described in the question.

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Question text is reproduced from the published NEET 2013 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.