CBSE
Multiple Choice QuestionsOzone depletion in stratosphere would result in
forest fires
global warming
skin cancer incidence
None of the above
According to Kyoto protocol the major nations abide to reduce concentration of green house gases by
2008
2010
2012
2018
More than 70% of world's freshwater is contained in
Antartica
Glaciers and Mountains
Greenland
Polar ice
Identify the correctly matched pair
Montreal protocol - Global warming
Kyoto protocol - Climatic change
Ramsar convention - Ground water pollution
Basal convention - Biodiversity conservation
At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation?
66 North and South
North and South
40 North and South
North and South
A lake with nutrients is called
trophic
euphotic
oligotrophic
eutrophic
Which one of the following pairs is mismatched?
Biomass burning - Release of CO2
Fossil fuel burning - Release of CO2
Nuclear power - Radioactive wastes
Solar energy - Green house effect
Bio- indicators are used for
oxygen demand
air pollution
mineral present
All of the above
The soil which is transported by wind is known as
colluvial
eolian
aluvial
glacial soil
In the treatment of waste water discharge, which treatment stage involves biological treatment?
Primary treatment
Secondary treatment
Tertiary treatment
Reverse osmosis stage
