2017 · Q98
Beauty of some historical monuments is greatly affected by the growth of certain living organisms. These living organisms belong to which one of the following groups?
General ScienceBiology
- AAmphibious plants
- BLichens
- CBacteria
- DViruses
Explanation
Lichens, the symbiotic association of algae and fungi, colonise stone surfaces and secrete acids that weather and discolour monuments, a well-documented biodeterioration problem. Amphibious plants, bacteria, and viruses are not the organisms known for this damage. Hence B.