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It is moderately quiet between:
Related MCQs
The noise created at the launching of space rocket measures around:
The waste of steel factories is rich in:
The noise level of London is around:
In 1970, several people died in Japan due to pollution of:
To check sonic booms, control should be exerted over:
Mark the plant showing insecticidal properties:
The first nuclear explosion was conducted by USA in:
Maximum noise pollution in residential areas is due to:
The radioactive fall out contaminates:
A major component of gobar gas is:
A lake with an inflow of domestic sewage rich in organic waste may result in:
The first nuclear explosion over the city of Hiroshima took place in 1945 on:
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A hydrocarbon having the following number of carbon atoms doesn’t exist freely in the atmosphere:
The ‘Earth summit’ was held at:
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The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:
Most harmful heavy metals causing water pollution:
The most harmful effect of ionising radiations precisely involves:
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Which of the following is biodegradable pollutant?
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The term smog coined by:
The classical smog was first observed to:
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In big cities, air pollution is mainly due to:
As compared to tap water the BOD of sewage polluted water shall be:
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Every pesticide develops its own failure as its repeated use leads to:
How CO emitted by automobiles prevents transport of O2 in the body tissues?
Sewage drained into water bodies kills fishes because:
Effect of pollutions first and most marked on:
Which of the following is the use of lichens in case of pollution?
Minimata disease was caused due to the consumption of:
Presence of SO2 in atmosphere is indicated by:
The maximum biomagnification would be in which of the following in case of aquatic ecosystem?
The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen by (appro.)
Biological control component is central to advanced agriculture production. Which of the following is used as a third generation pesticide?
Measurement of the rate of O2 consumption in unit volume of water over a period of time is done to find out:
The supersonic jets cause pollution by thinning of:
Green house effect refers to:
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The main cause of pollution in metro cities is due to:
Which of the following isotopes is most dangerous to Homo sapiens?
It is moderately quiet between:
A. 35-45 db
B. 1-5 db
C. 40-60 db
D. 65-75 db
Correct Answer:
35-45 db
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Last Updated:
May 23, 2024