‘Dust domes’ occurs due to
Air pollution
Water pollution
Soil pollution
Noise pollution
The industries in Delhi, Wazirpur are the major polluters of the river
Kaveri
Yamuna
Ganga
Indus
Name the tanker which caused the oil spill in Galapagos Island.
Jupiter
Jessica
Exxon Valdez
MS Chitra
What is the permissible dose of radiation on a person per week?
0.1 REM
0.3 REM
0.4 REM
0.5 REM
Which among the following is an ozone depleting substance?
CO2
NO2
CH4
CFC
Which among the following was in the list of world’s 30 most polluted industrial areas?
Buddha nala
Mahad
Ludhiana
Where did the tankers MS Chithra and MV Khalijiya collide?
Gulf of Mexico
Mumbai Port
Persian Gulf
Michigan
Expand BOD.
Biological Ozone Depletion
Biological Oxygen Decrease
Biological Ozone Decrease
Biological Oxygen Demand
Name the process of multiplying poisons in higher trophic level in food chain
Eutrophication
Biomagnification
Toxicity
Bioremediation
Name the type of waste water from kitchen.
Black water
Grey water
White water
Coloured water