Question 43 of 54
Q.What is phytoremediation ?
Tamil Nadu DgeTamil Nadu HSC (DGE) Board 2024Subjective· 2mImportance★★★★★
80% · 43/54 Questions
You're viewing a preview — the full solution, concept, methods & PYQ mapping are locked.
Start your 14-day free trial to unlock the full solution →Phytoremediation is a low-cost, eco-friendly technology that uses living plants to clean up pollutants from contaminated soil, water, or air.
Working
Phytoremediation refers to the use of living green plants and their associated microorganisms to remove, degrade, transform, or stabilise pollutants present in contaminated soil, water, or air. Plants used for this purpose typically possess natural physiological mechanisms suited to the task:
- Phytoextraction -- plant roots absorb pollutants (such as heavy metals like lead, cadmium, or arsenic) from the soil and accumulate them in above-ground tissues, which can then be harvested and safely disposed of.
- Phytodegradation -- plants (or their associated enzymes) break down organic pollutants into simpler, less harmful substances. …
Unlock everything free for 14 days
- Full step-by-step solutions
- Concept-first explanations
- Methods, shortcuts & mistakes
- PYQ mapping + timed mock tests
Full access for 14 days. No credit card required.