Basic Science : Environment In Relation To Human Welfare QUESTIONS AND ANSWERS :: part3 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.The rate of oscillation is measured in terms of |
| Km/hour |
| Cycles/second |
| Joule/sec |
| meter/second |
12.Decibel is named after |
| Sir Alfred Bell |
| Went |
| Darwin |
| Fisher |
13.The pollutant that can be recycled through natural or artificial waste treatment mechanism is |
| Aluminium cans |
| Mercuric chloride |
| Pesticides |
| Domestic sewage |
14.Long chain phenolic chemicals and detergents are |
| Degradable pollutants |
| Non-degradable pollutants |
| Air pollutants |
| Noise pollutants |
15.Noise pollution contribute to |
| Cardio-vascular problem |
| Heart disease |
| Loss of life |
| All the three |
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