UPPCS · ప్రశ్న 40
Which of the following is an indicator of air pollution?
సమాధానం చూపించు & వివరణ
సమాధానం: (C) Lichen
వివరణ
Lichens are highly sensitive to SO2 and disappear in polluted air.
State PCS PYQPrelims 2021
UPPCS · ప్రశ్న 40
సమాధానం: (C) Lichen
Lichens are highly sensitive to SO2 and disappear in polluted air.