2. NAME – YEOLA N. P. CHATE R. U. G.E.S. COLLEGE OF EDUCATION, SANGAMNER PUPIL TEACHERS GUIDE – Dr. R Y BAM MADAM

3. SUBJECT

5. HOW VARIOUS ACTIVITIES OF MAN HEALTH CREATE IMBALANCE IN NATURE? ESSENTIAL QUESTION

6. QUE. 1 WHICH ARE THE SOURCES OF SOUND POLLUTION ? ANSWER: Sources of sound pollution : High intensity sound from industrial machines, supersonic aeroplanes, bomb blasts, exploding of hackers, blaring radios and loudspeakers, slogans shouting city crowd, traffic noise etc.

7. QUE. 2 WHICH ARE THE EFFECTS OF SOUND POLLUTION ON HUMAN BEINGS? ANSWER : 1. HUMAN HEALTH 2. SPEECH INTERFERENCE 3. SLEEP INTERFERENCE 4. DECREASED WORK PERFORMANCE

8. CONTENT QUESTION. WHAT CAN WE DO TO AVOID SOUND POLLUTION? ANSWER. The first approach has been to reduce noise at source. Design and fabrication of silencing devices and their use in aircraft engines, trucks, cars, motorcycles, industrial machines and home appliances would be an effective measure. Protection to workers can be provided through wearing devices such as earplugs and earmuffs.