NEET 2013 · Class 12

Ecosystem

Secondary productivity is rate of formation of new organic matter by

  1. (A)consumers
  2. (B)decomposers
  3. (C)producers
  4. (D)parasites

The NCERT line that answers it

Verbatim line

**Secondary productivity** is defined as the rate of formation of new organic matter by consumers.

Chapter
Ecosystem
Section
12.2 PRODUCTIVITY
Page
2
Words matched
15 of 15

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

How this line gives the answer

0, emb=0.9292, combined=0.9575). Verified: high — The span explicitly states 'Secondary productivity is defined as the rate of formation of new organic matter by consumers,' which directly matches the question and distinguishes option A from all other options.

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 2013 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.