dB is a standard abbreviation used for the quantitative expression of
The dominant Bacillus in a culture
The density of bacteria in a medium
A certain pesticide
A particular pollutant
Additional Questions
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Shell of egg in bird becomes thin (not properly formed) due to the pollution of pesticides. This is due to interference in the activity of : |
Answer |
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Which one of the following pairs of gases are the major causes of "Greenhouse Effect"? |
Answer |
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BOD is connected with |
Answer |
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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? |
Answer |
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Which one of the following is a wrong statement? |
Answer |
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Phosphate pollution is brought about by |
Answer |
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Sound becomes a hazardous noise pollution if its level is above |
Answer |
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Among the following, a secondary pollutant is |
Answer |
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BOD of a pond is related to ______ in per unit volume of water |
Answer |
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Which one of the following statements is wrong in case of Bhopal, (India) tragedy? |
Answer |