NEET 2015 · Class 11

Biological Classification

Which of the following are most suitable indicators of SO2 pollution in the environment?

  1. (A)Conifers
  2. (B)Fungi
  3. (C)Algae
  4. (D)Lichens

The NCERT line that answers it

Verbatim line

Lichens are very good pollution indicators – they do not grow in polluted areas.

Chapter
Biological Classification
Section
2.6 VIRUSES, VIROIDS, PRIONS AND LICHENS
Page
11
Words matched
12 of 13

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

How this line gives the answer

0, emb=0.8713, combined=0.9228). Verified: high — The span explicitly states 'Lichens are very good pollution indicators – they do not grow in polluted areas,' which directly and conclusively identifies lichens as indicators of pollution, specifically addressing the MCQ's requirement for SO2 pollution indicators.

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 2015 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.