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
- What is the main chemical process behind 'Acid Rain' eroding limestone statues?
- Deforestation leads to an increase in which atmospheric gas?
- The accumulation of non-biodegradable pesticides in the food chain is called:
- Which of the following activities contributes most to carbon dioxide emissions?
- Which of the following chemicals can cause 'skin cancer' due to ozone depletion?