A. 120-170 db
B. 90-160 db
C. 100-130 db
D. 100-160 db
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Related Mcqs:
- Maximum noise pollution in residential areas is due to:
A. Traffic sirens
B. Sirens and loud speakers
C. Kitchen appliances, radio and TV
D. Industries - The noise created at the launching of space rocket measures around:
A. 120 db
B. 150 db
C. 180 db
D. 240 db - Which of the following is likely to have the highest level of DDT deposition in its body?
A. Eel
B. Crab
C. Sea gull
D. Phytoplanktons - The decomposers in an ecosystem constitute the following trophic level:
A. T1
B. T3
C. T5
D. T4 - In a parasitic food chain which trophic level is represented by bugs and lices?
A. T4
B. T3
C. T2
D. T1 - The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is:
A. 25%
B. 50%
C. 10%
D. 5% - If bamboo plant is growing in a far forest then what will be its trophic level?
A. First
B. Second
C. Third
D. Fourth - The unclassified area which constituted more than ____ of the total area at the time of independence, in due course of time, has dropped to the present level due to extension in the land use:
A. 40%
B. 50%
C. 60%
D. 70% - The level beyond which no major increase is possible represents:
A. Stationary phase
B. Biotic potential
C. Acceleration limit
D. Carrying capacity - The fertility level of any soil is generally determined by:
A. Aeration and hydration
B. Humus and mineral contents
C. Humus, mineral and hydration level
D. All of these
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The correct answer to the question: "The noise level of London is around:" is "100-160 db".