Environmental Science - Part 2 - TNPSC Portal

1. What is the function of 'Fungicides' ? Answer
   To protest crop plants from fungal pathogens
2. Herbicides is used for ? Answer
   Killing weedy plants
3. Nematicides are used for ? Answer
   Killing nematodes, which can destroy the roots of crop plants.
4. What are Organochlorides kind of pesticides ? Answer
   DDT, Aldrin, Linane
5. In which year Bhopal Gas tragedy happened in India ? Answer
   1984
6. How many people were killed by Bhopal Gas tragedy ? Answer
   More than 8000 killed and 30,000 seriously injured
7. What is the poisonous chemical caused gas leak at Bhopal ? Answer
   Methyl Isocyanide
8. What is the name of the company caused bhopal incident ? Answer
   Union Carbide, an agricultural ionsecticide factory
9. Whare are the Organophosphate pesticides ? Answer
   Parathion, Malathion, Phosdrin
10. What are carbamates pesticides ? Answer
    Carbaryl, Carbofuran
11. What are fungicides ? Answer
    Captan, Dinocap
12. What are Fumigants pesticides ? Answer
    Ethylene Dibromide, Methyl Bromide
13. What are herbicide pesticides ? Answer
    Silvex, Dinoseb
14. Harmful health effect caused by DDT ? Answer
    Nervous disorders, Decreased white blood cells
15. The medium affected by DDT are ? Answer
    Water, food chain
16. How much energy does a computer use per year ? Answer
    876 KWh/Yr
17. Harmful health effect caused by Dioxin ? Answer
    Kidney Damage, Liver and Nervous System, Carcinogenic
18. The medium affected by Dioxin are ? Answer
    Water, food chain
19. What are fossil fuels ? Answer
    Coal, Lignite, Crude Oil, Natural Gas
20. Harmful health effect caused by Fenitrothion ? Answer
    Reye's Syndrome in Children