NEET 1990 · Class 11
The Living World
23. Basic unit or smallest taxon of taxonomy/classification is
- (A)species
- (B)kingdom
- (C)family
- (D)variety
The NCERT line that answers it
Verbatim lineAll 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
75, emb=0.9925, combined=0.8955). Verified: high — The span explicitly states 'species as the lowest category', which directly matches the MCQ's requirement for the 'basic unit or smallest taxon'.
We did this for 1,565 questions.
Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.
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.