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dB is a standard abbreviation used for the quantitative expression of
Options
(a) the density of bacteria in a medium
(b) a particular pollutant
(c) the dominant Bacillus in a culture
(d) a certain pesticide
Correct Answer:
a particular pollutant
Explanation:
dB is a standard abbreviation for the quantitative expression of noise, Unwanted sound is called noise. Generally sound above 80 dB is noise.
Related Questions: - Which of the following basic processes affect the Hardy Weinberg equilibrium?
- Who first demonstrated that light absorption by chloroplast releases oxygen
- The larva of Bombyx mori is known as
- The plants face wilting due to use of excessive fertilizers because of
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Topics: Conservation and Environmental Issues
(111)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following basic processes affect the Hardy Weinberg equilibrium?
- Who first demonstrated that light absorption by chloroplast releases oxygen
- The larva of Bombyx mori is known as
- The plants face wilting due to use of excessive fertilizers because of
- Ducts of Bellini are present in
Topics: Conservation and Environmental Issues (111)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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