MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Environment Management knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
At what level a sound becomes physical pain? |
| A. | Above 50 dB |
| B. | Above 70 dB |
| C. | Above 80 dB |
| D. | Above 100 dB |
| Answer» D. Above 100 dB | |
| 2. |
What is the permissible noise limit of 120 db? |
| A. | 30 minutes |
| B. | 2 minutes |
| C. | 1 minute |
| D. | 30 seconds |
| Answer» E. | |
| 3. |
What is called for a temporary hearing loss? |
| A. | Temporary ear pain |
| B. | Temporary hearing problem |
| C. | Temporary threshold shift |
| D. | Temporary hearing shift |
| Answer» D. Temporary hearing shift | |
| 4. |
What is the dB of a threshold of pain? |
| A. | 100 |
| B. | 110 |
| C. | 120 |
| D. | 146 |
| Answer» E. | |
| 5. |
WHAT_IS_CALLED_FOR_A_TEMPORARY_HEARING_LOSS??$ |
| A. | Temporary ear pain |
| B. | Temporary hearing problem |
| C. | Temporary threshold shift |
| D. | Temporary hearing shift |
| Answer» D. Temporary hearing shift | |
| 6. |
At what level a sound becomes physical pain?$ |
| A. | Above 50 dB |
| B. | Above 70 dB |
| C. | Above 80 dB |
| D. | Above 100 dB |
| Answer» D. Above 100 dB | |
| 7. |
What is the permissible noise limit of 120 db?$ |
| A. | 30 minutes |
| B. | 2 minutes |
| C. | 1 minute |
| D. | 30 seconds |
| Answer» E. | |
| 8. |
The degree of hearing loss depends on the duration as well as the intensity of the noise. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Wildlife faces more problems than humans due to noise pollution, because animals dependent on_______________ |
| A. | Noise |
| B. | Sound |
| C. | Actions |
| D. | Behavior |
| Answer» C. Actions | |
| 10. |
Which of the following sound is pleasant to our ears? |
| A. | Heavy machinery |
| B. | Transportation equipment |
| C. | Loud noise |
| D. | Music |
| Answer» E. | |
| 11. |
What is the ambient noise level in the residential one during night time? |
| A. | 40 dB |
| B. | 45 dB |
| C. | 50 dB |
| D. | 55 dB |
| Answer» C. 50 dB | |
| 12. |
At what decibel instantaneous rupture of membrane happens? |
| A. | 100 |
| B. | 120 |
| C. | 146 |
| D. | 150 |
| Answer» E. | |
| 13. |
All sound is noise. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
What is the dB of a threshold of hearing? |
| A. | 0 |
| B. | 10 |
| C. | 50 |
| D. | 100 |
| Answer» B. 10 | |
| 15. |
Which pollution cause hearing loss in organisms? |
| A. | Air pollution |
| B. | Noise pollution |
| C. | Water pollution |
| D. | Soil pollution |
| Answer» C. Water pollution | |
| 16. |
In which unit sound is measured? |
| A. | Kilometer |
| B. | Pascal |
| C. | Kilogram |
| D. | Decibel |
| Answer» E. | |
| 17. |
What is noise? |
| A. | Desirable sound |
| B. | Desirable and unwanted sound |
| C. | Undesirable and unwanted sound |
| D. | Undesirable and wanted sound |
| Answer» D. Undesirable and wanted sound | |