Worksheetspollution of air
Total questions: 10
Worksheet time: 2mins
activities like 'cutting down of forests' , 'setting up of more and more industries' and 'releasing of harmful gases in the air and liquid waste in water' lead to:-
pollution of air
pollution of water
contamination of environment
substances which are present in the environment in greater proportion than it's natural abundance and cause harmful effects are called:-
(a)
the major Causes of air pollution are:-
excessive burning of fossil fuels
cutting of trees
use of harmful substances like, chlorofluorocarbons
waste thrown by factories
nitrogen dioxide, when inhaled,it combines with the haemoglobin to form 'Carboxy haemoglobin'
true
false
which of the following statements are true?
nitrogen dioxide causes discolouration of white marble
nitrogen dioxide is formed by combustion of petrol/gasoline
nitrogen dioxide results in eye problems in human beings
which of the following are effects of smog
leades to deases like asthma and bronchitis
causes retardation of photosynthetic activity of plants
prevents the sunlight from reaching the earth
the name 'Greenhouse' is given to:-
Areas where plants are grown
Areas where air pollution level is low
Special glass houses in which plants are grown
Industries which creates farming products
A gas that decreases the blood's ability to carry oxygen. Can cause faintness, death.
Nitrogen oxides
Ground-level ozone
Carbon monoxide
Sulfur dioxide
which of the following are methods for controlling air pollution
plant more trees
discourage the use of solar cooker and biogas for cooking
avoid burning of crackers
use of petrol in vehicles
