Question Text
Question 1 :
When pollutants in the air mix up in a chemical reaction, they form an even more dangerous chemical.these pollutants are called ______.
Question 5 :
An increase in carbon dioxide content in the atmosphere would not cause:
Question 7 :
Among the following compounds, which one is not responsible for the depletion of ozone layer?<br/>
Question 11 :
The sixth planet of the solar system is the huge planet Saturn. The beautiful, coloured rings of Saturn are mainly made of:
Question 13 :
Pollution is a change in physical, chemical or biological characters of our land and water that may be:
Question 14 :
This process in which nutrient enriched water bodies support a dense plant population, which kills animal life by depriving it of oxygen and results in subsequent loss of biodiversity is known as ________.
Question 15 :
Taj mahal is threatened by which atmospheric pollutant released by Mathura refinery?
Question 19 :
__________ is the deterioration (destruction) of the earths land surfaces, often directly or indirectly as a result of mans activities and their misuse of land resources.
Question 20 :
Acid rain is caused by or recent reports of acid rain in some industrial cities are due to the effect of atmospheric pollution by<br/><p></p>
Question 23 :
Which one of the following gases can deplete ozone layer in the upper atmosphere?
Question 25 :
PAN (peroxyacetyl nitrate), an important constituent of photochemical smog is a