NEET 1997 · Class 11

Plant Kingdom

An alga, very rich in protein, is

  1. (A)Chlorella
  2. (B)Nostoc
  3. (C)Spirogyra
  4. (D)Ulothrix

The NCERT line that answers it

Verbatim line

*Chlorella*, a unicellular alga rich in proteins, is used as food supplement even by space travellers.

Chapter
Plant Kingdom
Section
3.1 ALGAE
Page
3
Words matched
16 of 16

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 'Chlorella, a unicellular alga rich in proteins', which directly matches the MCQ's requirement for an alga very rich in protein, distinguishing it from the other options.

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Question text is reproduced from the published NEET 1997 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.