Soil Pollution and Decontamination past question paper
Final Paper 2021
Question 3: Differentiate between the following
1. Systemicus contact poisoning
2. Intrinsic bioremediation vs accelerated soil remediation
3.In-site and etu bioremediation
4. Hydrological vs meteorological drought
Question 4: Define pesticide and discuss why pesticide use is indispensable for human survival at the planet earth?
Question 5: It is believed that anthropogenic activities triggers land degradation. Explain how urhanization changes soil productivity by changing its inherent properties?
Question 6: Plastics are nuisance for soll environment and a real threat to soll sustainability. Write down the different classes of plastics and explain the methodology by which wax worms were used to degrade the poly ethylene.
Question 7: Define bloremediation and explain how the transgenic approaches can have brought breakthroughs in
metal contaminated soils?