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1
The compound responsible for acid rain is ____________________.
Sulphur dioxide
Sulphur trioxide
Nitrogen
Sulphur
2
Which of the following gas causes harm to plants by causing their leaves to dry up and fall off ?
Sulfur dioxide
Nitrogen dioxide
Carbon monoxide
Carbon dioxide
3
What are the sources of Suspended Particulate matter (SPM) ?
Automobiles
Volcanic Eruptions
Unpaved roads
Plants
4
Which of the following causes less air pollution ?
CNG
Burning of Coal
Petrol
All of these
5
Which of the following groups does not contain only biodegradable items ?
Grass, flowers and leather
Grass, wood and plastic
Fruit - peels, cake and lime - juice
Cake, wood and grass
6
Acid rain has resulted in corrosion of all marble of the monument. It is especially due to, the Mathura oil refinery. So the Supreme court has taken steps to save the Taj. It has ordered the industries to either switch to cleaner fuels like CNG (compressed Natural Gas) and LPG (Liquefied petroleum Gas) more - over, the automobiles should switch over to unleaded petrol in Taj Zone
The Taj Mahal is being affected due to ______________________
Noise pollution
Air pollution
Water pollution
None of these
7
Which of the following pollutant is poisonous and can damage our brain, liver and kidney ?
Lead
Platinum
Mercury
8
Monuments of marble can be destroyed by ___________________
Sulphur dioxide pollution
Carbon monoxide pollution
Pesticide pollution
Dust particles
9
What is the full form of LPG ?
Liquefied petroleum gas
Liquefied petrol gas
Liquid petroleum gas
Liquid petrol gas
10
Welding is a source of which air pollutant ?
11
Carbon monoxide is a pollutant because ___________________
It reacts with
It inhibits glycolysis
Reacts with haemoglobin
Makes nervous system inactive
12
How does carbon monoxide, a poisonous gas, emitted by automobiles, prevent transport of oxygen into the body tissues?
By changing oxygen into carbon dioxide
By obstruting the reaction of oxygen with haemoglobin
Thermal power project
By forming a stable component with haemoglobin
13
Green house effect refers to _____________________
Cooling of earth
Trapping of UV rays
Production of cereals
Warming of earth
14
Which of the following are correct :
(a) The burning or combustion of coal produces carbon dioxide, carbon monoxide, sulphur dioxide, oxides of nitrogen and smoke.
(b) When coal burns in an insufficient supply of oxygen, it burns incompletely and forms carbon monoxide.
(c) The burning of coal also produces smoke. The smoke present in the air affects our lungs.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
All of these.
15
(a) When wood, cow dung cakes, coal and kerosene are burnt to cook food, these generate thick smoke which pollute the air.
(b) When wood, cow dung cakes, coal and kerosene are burnt to cook food, these generate oxygen which good for us.
(c) Excessive use of fertilizers and pesticides in agriculture pollutes the air.