NEET 2003 · Class 12

Biodiversity and Conservation

Which group of vertebrates comprises the highest number of endangered species?

  1. (A)Mammals
  2. (B)Fishes
  3. (C)Reptiles
  4. (D)Birds

The NCERT line that answers it

Concept-grounded

Presently, 12 per cent of all bird species, 23 per cent of all mammal species, 32 per cent of all amphibian species and 31 per cent of all gymnosperm species in the world face the threat of extinction.

Chapter
Biodiversity and Conservation
Section
13.1.4 Loss of Biodiversity

The answer is taught in this NCERT section but is not one quotable sentence. It needs combining facts or applying the idea.

How this line gives the answer

Claim discrepancy: claimed B, GPT says A. Matched with override at hybrid rank 1.

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 2003 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.