NextMockపరీక్షలు వెతకండి, ఉదా. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2019

UPPCS · ప్రశ్న 59

Which one of the following is the well known example of bioindicator of air pollution?

  1. Lichens
  2. Methyl mercury
  3. Rose plant
  4. Sunflower
సమాధానం చూపించు & వివరణ

సమాధానం: (A) Lichens

వివరణ

Lichens are highly sensitive to SO2 and are a well-known bioindicator of air pollution: they disappear from polluted areas.