NEET 2011 · Class 12

Microbes in Human Welfare

Organisms called methanogens are most abundant in a

  1. (A)sulphur rock
  2. (B)cattle yard
  3. (C)polluted stream
  4. (D)hot spring

The NCERT line that answers it

Verbatim line

These bacteria are also present in the rumen (a part of stomach) of cattle.

Chapter
Microbes in Human Welfare
Section
8.4 MICROBES IN PRODUCTION OF BIOGAS
Page
6
Words matched
28 of 28

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 states methanogens are present in the rumen of cattle, which directly links them to cattle yards where cattle are kept.

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.