NEET 2011 · Class 12

Ecosystem

The breakdown of detritus into smaller particles by earthworm is a process called

  1. (A)humification
  2. (B)fragmentation
  3. (C)mineralisation
  4. (D)catabolism

The NCERT line that answers it

Verbatim line

Decomposition involves three processes, namely fragmentation of detritus, leaching and catabolism.

Chapter
Ecosystem
Section
intro ECOSYSTEM
Page
9
Words matched
11 of 11

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

7143, emb=0.5668, combined=0.6258). Verified: high — The span explicitly states that fragmentation is a process involving detritus, which directly matches the question about earthworms breaking down detritus into smaller particles.

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 2011 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.