Exams › NEET › Biology

dB is a standard abbreviation used for the quantitative expression of

1. the density of bacteria in a medium
2. a particular pollutant
3. the dominant Bacillus in a culture
4. a certain pesticide

Correct answer: a particular pollutant

Solution

dB here refers to a shorthand used in quantitative reporting of a specific pollutant. The other options are unrelated to standard environmental abbreviation usage.

Related NEET Biology questions

• Which one of the following diseases is caused due to ozone depletion on human?
• The advantage/s associated with water harvesting at the community level is/are
• Chernobyl nuclear tragedy occurred in
• Assertion Through the use of catalytic converters, unburnt hydrocarbons are changed into carbon monoxide which in turn is changed into nitrogen oxides and water. Reason Motor vehicles equipped with catalytic converters should use leaded petrol to protect the catalyst from degradation.
• Soil conservation is
• Which of the following is a secondary pollutant?

⚔️ Practice NEET Biology free + battle 1v1 →