Steps taken by the Government of India to control air pollution include
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(a) compulsory PUC (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons (b) permission […]
Which one of the following statements is wrong in case of Bhopal tragedy ?
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(a) Methyl lsocyanate gas leakage took place (b) Thousands of human beings died (c) Radioactive fall out engulfed […]
Which one of the following expanded forms of the following acronyms is correct?
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(a) IPCC = International Panel for Climate Change (b) UNEP = United Nations Environmental Policy (c) EPA = Environmental […]
In an area where DDT had been used extensively, the population of birds declined significantly because:
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(a) birds stopped laying eggs (b) earthworms in the area got eradicated (c) cobras were feeding […]
Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micro meters or less?
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(a) It can be inhaled into the lungs […]
Which one of the following is the correct percentage of the two (out of the total of 4) green house gases that contribute to the total global warming?
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(a) CFCs 14%, Methane […]
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?
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(a) 2.5 or less (b) 1.5 […]
In which one of the following the BOD (Biochemical Oxygen Demand) of sewage(s), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order ?
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The correct sequence of plants in a hydrosere is:
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(a) Volvox → Hydrilla → Pistia →Scirpus Lantana → Oak (b) Pistia →Volvox →Scirpus →Hydrilla → Oak →Lantana (c) Oak→Lantana →Volvox →Hydrilla → […]
Pheretima and its close relatives derive nourishment from :
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(a) sugarcane roots (b) decaying fallen leaves and soil organic matter (c) soil insects (d) small pieces of fresh fallen leaves of maize, […]
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