The noise and "noise pollution" of cities are not only troubling the common man, but birds are also being affected. Noise pollution is not only affecting the voice, song, birds' routine but also their reproduction and numbers. Noise pollution is a major problem today. New research from Queen's University, Belfast has claimed that noise pollution is having a bad effect on birds as well. Too loud a sound can damage the ears. Hearing and Hair Cells inside the ear can be completely eliminated and the ear can stop hearing. The sound reduces the heartbeat and may cause blood pressure. Recent reports have shown that too much noise can thicken human blood, which increases the risk of a heart attack. Take this quiz about Noise Pollution Dangerous for Biodiversity.
1. Which is the following contributes to the maximum noise pollution?
A. Industrial machinery
B. Transport sector
C. Special events
D. None of the above
2. Which is the measuring unit of sound?
A. Hertz
B. Decibel
C. Ppm
D. All of above
3. Following scale is used for the loudness of sound or noise
A. Linear scale
B. Logarithmic scale
C. Exponential scale
D. Seismograph
4. Following is used for measuring the intensity of sound
A. Sound level meter
B. Frequency meter
C. Decibel
D. All of above
5. The level of sound during normal conversation is.
A. 20 dbA
B. 40 dbA
C. 60 dbA
D. 80 dbA
6. What noise level allowed by WHO in residential areas is
A. 25 dB
B. 50 dB
C. 75 dB
D. 100 dB
7. The Environment Protection _____________, under Sec. 6 has mentioned “Rules to regulate environmental pollution”.
A. Act, 1986
B. Act, 1996
C. Act, 1966
D. Act, 1999
8. Noise pollution effects marine animal's.
A. DNA transposition
B. Blood circulation
C. Behaviour
D. All of above
9. A safe level of noise depends on...
A. Noise level and exposure to noise
B. Pitch
C. Frequency
D. All of above
10. Sounds that are pleasant to our ears are called.
A. Musical sounds
B. Frequency
C. Noise
D. Amplitude
11. At which decibel instantaneous rupture of membrane happens?
A. Decibel of 050
B. Decibel of 150
C. Decibel of 100
D. Decibel of 250
12. A draft of Noise Pollution Rules was published under the notification of the Government of India in 1999 under the Ministry of ________________ and Forests.
A. Environment
B. Broadcast
C. Textile
D. Road
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