Environmentalmedium · Past Paper
Which plant is used as a bio-indicator for air pollution?
ARose
BLichens
CBanyan
DCactus
✓ Correct Answer: B — Lichens
Lichens are very sensitive to sulfur dioxide and are used to monitor air quality.
Share this question
More from Environmental
- Which of the following contributes most to the greenhouse effect on Earth?
- What is the typical pH value of 'pure' water?
- Which of the following processes helps in the removal of particulate matter from industrial smoke?
- What is the primary way that 'Dark Snow' accelerates glacier melting?
- The Bhopal Gas Tragedy (1984) was caused by the leakage of which gas?