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WorksheetsBIOLOGY
Total questions: 15
Worksheet time: 8mins
NON BIODEGRADABLE POLLUTANTS ARE CREATED BY
NATURE
EXCESSIVE USE OF RESOURCES
HUMANS
NATURAL DISASTERS
ACCORDING TO THE CENTRAL POLLUTION CONTROL BOARD , PARTICLES THAT ARE RESPONSIBLE FOR CAUSING GREAT HARM TO HUMAN HEALTH ARE OF DIAMETER
2.50 MICROMETER
5.0 MICROMETER
10.0 MICROMETER
7.5 MICROMETER
THE MATERIAL GENERALLY USED FOR SOUND PROOFING OF ROOMS LIKE A RECORDING STUDIO AND AUDITORIUM ETC IS
COTTON
COIR
WOOD
STYRO FOAM
COMPRESSED NATURAL GAS CNG IS
PROPANE
METHANE
ETHANE
BUTANE
WORLDS MOST PROBLEMATIC AQUATIC WEED IS
AZOLLA
WOLFIA
ECHIORNIA
TRAPA
WHICH OF THE FOLLOWING CAUSES BIOMAGNIFICAION
SO2
MERCURY
DDT
B AND C
THE EXPANDED FORM OF DDT IS
DICHLORO DIPHENYL TRICHLOROETHANE
DICHLORO DIETHYLE TRICHLOROETHANE
DICHLORO DIPYRYDYL TRICHLOROETHANE
DICHLORO DIPHENYL TETRACHLOROETHANE
WHICH OF THE FOLLOWING MATERIAL TAKES THE LONGEST TIME FOR BIODEGRADATION ?
COTTON
PAPER
BONE
JUTE
WHICH ONE CAUSES MORE INDOOR CHEMICAL POLLUTION
BURNING COAL
BURNING COOKING GAS
BURNING MOSQUITO COIL
ROOM SPRAY
THE GREEN SCUM SEEN IN THE FRESH WATER BODIES IS
BLUE GREEN ALGAE
RED ALGAE
GREEN ALGAE
BOTH A AND C
THE LOUDNESS OF A SOUND THAT A PERSON CAN WITHSTAND WITHOUT DISCOMFORT IS ABOUT IS
150 DB
215 DB
30 DB
80 DB
THE MAJOR SOURCE OF NOISE POLLUTION WORLD WIDE IS DUE TO
OFFICE EQUIPMENT
TRANSPORT SYSTEM
SUGAR,TEXTILE AND PAPER INDUSTRIES
OIL REFINERIES NAD THERMAL POWER PLANTS
WHICH ONE OF THE FOLLOWING IMPURITIES IS EASIEST TO REMOVE FROM WASTE WATER
BACTERIA
COLLOIDS
DISSOLVED SOLIDS
SUSPENDED SOLIDS
WHICH ONE OF THE FOLLOWING DISEASE IS NOT DUE TO CONTAMINATION OF WATER
HEPATITIS -B
JAUNDICE
CHOLERA
TYPHOID
NUISANCE GROWTH OF AQUATIC PLANTS AND BLOOM-FRMING ALGAE IN NATURAL WATERS IS GENERALLY DUE TO HUGH CONCENTRATIONS OF
CARBON
SULPHOR
CALCIUM
PHOSPHORUS
