A. Kidneys
B. Thyroid
C. Bones
D. Muscles
Pollution
Pollution
A. 35-45 db
B. 1-5 db
C. 40-60 db
D. 65-75 db
A. 120 db
B. 150 db
C. 180 db
D. 240 db
A. Cyanides and phenols
B. Chlorides and fluorides
C. Carbonates and sulphides
D. Bicarbonates and chlorides
A. 120-170 db
B. 90-160 db
C. 100-130 db
D. 100-160 db
A. Barium
B. Cadmium
C. Iron
D. Mercury
A. Traffic on high ways
B. Sirens of every kind
C. Air traffic directions
D. Noise producing devices
A. Ocimum basilicum
B. Azadirachta indica
C. Both (a) & (b)
D. Dalbergia sissoo
A. Jun-44
B. Sep-44
C. Jul-45
D. Aug-45
A. Traffic sirens
B. Sirens and loud speakers
C. Kitchen appliances, radio and TV
D. Industries