1. large number of automobiles
2. large number of factories
3. supersonic jets
4. chimney exhausts
supersonic jets
1. day
2. night
3. day and night
4. always closed
night
1. inactivates nerves
2. combines with oxygen
3. forms a stable compound with haemoglobin
4. inhibits Krebs’ cycle
forms a stable compound with haemoglobin
1. glucose in the glomerular filtrate is converted into glucogen
2. glucose in the glomerular filtrate is ahambed uriniferous tubules
3. glucose of the blood is not filtered in the glomming
4. the normal blood sugar is fructose
the normal blood sugar is fructose
1. was clean
2. was polluted
3. contains algae
4. contains other dissolved minerals
was clean
1. Cobalt choride
2. Naphthol aceticacid
3. Calcium carbonate
4. Phenyl mercuricacetate
Phenyl mercuricacetate
1. It acts as disinfectant
2. To absorbs UV radiations
3. Ozone is easily available from O2
4. All of the above
It acts as disinfectant
1. removing sulphur after combustion
2. precombustion disulphurisation
3. electricity
4. photochemical oxidants
electricity
1. photochemical pollution
2. SO2 pollution
3. Air pollution
4. Thermal pollution
Thermal pollution
1. high concentration
2. low concentration
3. moderate concentration
4. neutral concentration
low concentration