NEET 2024 Re · Class 12

Evolution

[DIAGRAM: Four Darwin's finch head profiles showing variation in beak size and shape, labeled (1) to (4), from large deep beak to small pointed beak.] Which evolutionary phenomenon is depicted by the sketch given in figure?

  1. (A)Artificial selection
  2. (B)Genetic drift
  3. (C)Convergent evolution
  4. (D)Adaptive radiation

The NCERT line that answers it

Verbatim line

This process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats) is called **adaptive radiation**.

Chapter
Evolution
Section
6.4 WHAT IS ADAPTIVE RADIATION?
Page
7
Words matched
39 of 40

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 defines adaptive radiation as 'evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats)', which directly matches the phenomenon depicted by Darwin's finches with varied beak adaptations in the Galapagos Islands.

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.

Take the free 5-minute checkMore from this chapter

Question text is reproduced from the published NEET 2024 Re 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.