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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: - Brunners gland are found in which of the following layers
- Leeches are usually
- In which one of the following do the two names refer to one and the same thing
- Which of the following groups of cells in the male gonad, represent haploid cells?
- Which vector can clone only a small fragment of DNA?
Topics: Conservation and Environmental Issues
(111)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Brunners gland are found in which of the following layers
- Leeches are usually
- In which one of the following do the two names refer to one and the same thing
- Which of the following groups of cells in the male gonad, represent haploid cells?
- Which vector can clone only a small fragment of DNA?
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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