Biology · Ecology and Environment
Which of the following statements regarding bioindicators is/are correct? A. Lichens are effective indicators of water pollution due to their ability to absorb heavy metals from soil. B. Frogs serve as suitable indicators of environmental stress because of their permeable skin and dual habitat requirements. C. Microbial stress proteins are induced by pollutants like cadmium and benzene, serving as early pollution indicators. D. Algal bloom is a direct indicator of carbon dioxide buildup in aquatic systems. Choose the correct combination:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B, C and D only
- 2B and C only✓
- 3A, B and C only
- 4A and D only
Correct answer
B and C only
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