NEET 2012 · Class 12

Ecosystem

The rate of formation of new organic matter by rabbit in a grassland, is called

  1. (A)net productivity
  2. (B)secondary productivity
  3. (C)net primary productivity
  4. (D)gross primary productivity

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 defines secondary productivity as 'the rate of formation of new organic matter by consumers,' which directly matches the question about rabbits (consumers) forming new organic matter.

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Question text is reproduced from the published NEET 2012 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.