NEET 1990 · Class 11

The Living World

Basic unit or smallest taxon of taxonomy classification is

  1. (A)species
  2. (B)kingdom
  3. (C)family
  4. (D)variety

The NCERT line that answers it

Verbatim line

All organisms, including those in the plant and animal kingdoms have species as the lowest category.

Chapter
The Living World
Section
1.2 Taxonomic Categories
Page
5
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=0.9791, combined=0.9875). Verified: high — The span explicitly states 'species as the lowest category', which directly establishes species as the smallest/basic taxonomic unit, matching the MCQ's requirement.

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Question text is reproduced from the published NEET 1990 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.