MCQs: The light of cities is reduced in comparison to villages due to the presence of:
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MCQs: The term smong coined by:
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MCQs: The classical smog was first observed to:
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MCQs: A disease caused by eating fish contained by industrial waste having mercury compounds is known as:
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MCQs: If there were no CO2 in the earth's atmosphere, the temperature of earth's surface would have been:
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MCQs: In big cities, air pollution is mainly due to:
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MCQs: As compared to tap water the BOD of sewage polluted water shall be:
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MCQs: The major drawback of DDT as a pesticide is that:
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MCQs: Every pesticide develops its own failure as its repeated use leads to:
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MCQs: How CO emitted by automobiles prevents transport of O2 in the body tissues?
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MCQs: Sewage drained into water bodies kills fishes because:
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MCQs: Effect of pollutionis first and most marked on:
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MCQs: Which of the following is the use of lichens in case of pollution?
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MCQs: Minimata disease was caused due to the consumption of:
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MCQs: Presence of SO2 in atmosphere is indicated by:
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MCQs: The maximum biomagnification would be in which of the following in case of aquatic ecosystem?
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MCQs: The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen by (appro.)
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MCQs: Biological control component is central to advanced agriculture production. Which of the following is used as a third generation pesticide?
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MCQs: Measurement of the rate of O2 consumption in unit volume of water over a period of time is done to find out:
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MCQs: The supersonic jets cause pollution by thining of:
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