Q. No.According to CPCB, Particulate size ------ or less in diameter are responsible for causing the greatest harm to human health.
1. 2.5 micrometer
2. 2.5 nanometer
3. 5 nanometer
4. 5 micrometer
1. 2.5 micrometer
2. 2.5 nanometer
3. 5 nanometer
4. 5 micrometer
The particulate matter cannot cause
(1) Breathing respiratory symptoms
(2) Irritation, premature death
(3) Inflammation and damage to the lungs
(4) Gastric ulcer and Rhinitis
In metro cities, which of the following is the major cause of atmospheric Pollution?
(1) Automobiles
(2) Population
(3) Industries
(4) All of these
To stop, automobile based environmental pollution, which of the following is not going to be a helpful measure?
(1) Proper maintenance of automobile
(2) Use of lead free petrol or diesel
(3) Catalytic Converters
(4) Scrubber
Which of the following is not a metal of catalytic converter?
(1) Platinum
(2) Palladium
(3) Rhodium
(4) Molybdenum
Catalytic converter does
(1) Unburnt Hydrocarbons are converted into carbon dioxide and water
(2) CO is converted into Carbon dioxide
(3) Nitric acid is converted into Nitrogen G gas
(4) All of these
If one is using Catalytic Converter in his vehicle then he should use
(1) Leaded petrol as it activates the catalyst
(2) Unleaded petrol activates the catalyst
(3) Leaded petrol as it inactivates the catalyst
(4) Unleaded petrol as lead inactivates the catalyst
The Air Prevention and Control of Pollution act came into force in….. but was amended in …..
(1) 1981, 1986
(2) 1986, 1987
(3) 1981, 1987
(4) 1976, 1986
Ear drums can be damaged by
(Which of the following is the accurate data)
(1) A sound of 200 dB or more
(2) A sound of 80 dB or more
(3) A sound of 150 dB or more
(4) A sound of 60 dB or more
Noise does not cause
(1) Sleeplessness
(2) Increased heartbeat, Altered breathing pattern
(3) Nausea, change in vision
(4) Stress
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