Free Sustainable Development 02 Practice Test - 12th Grade - Commerce
Question 1
Phytoplanktons are producers of
Producers of forest
Producers of lakes
Consumers of Ocean
Omnivores
SOLUTION
Solution : B
Phytoplanktons are producers of lakes.
Question 2
Define ecology.
The science that studies the evolution of life,
Integrates both social and natural sciences to help us understand how the earth works
The study of the relationships between organisms and their environment
The study of the environment in the absence of humans
SOLUTION
Solution : C
Ecology is defined as the study of the relationships between organisms and their environment.
Question 3
The major cause of ozone depletion is due to which chemical?
ChloroFluoroCarbons
Polyphenols
Dioxins
Rayon
SOLUTION
Solution : A
The major cause of ozone depletion is due to ChloroFluoroCarbons.
Question 4
The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is
Vienna convention
Montreal Protocol
Kyoto Protocol
None of the above
SOLUTION
Solution : C
The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is Kyoto Protocol.
Question 5
“Ozone Hole” is a
Hole in the atmosphere
Destruction of the ozone layer
Hole in the hydrosphere
Hole in the troposphere
SOLUTION
Solution : B
“Ozone Hole” is a destruction of the ozone layer.
Question 6
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called
air pollution
water pollution
soil pollution
radioactive pollution
SOLUTION
Solution : A
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called air pollution.
Question 7
Global warming is caused by
GHGs
CFCs
CH4
NO2
SOLUTION
Solution : A
Global warming is caused by GHGs ( Green House Gases).
Question 8
The problem of ozone depletion is caused by high levels of chlorine and bromine compounds in the
Atmosphere
Stratosphere
Troposphere
Mesosphere
SOLUTION
Solution : B
The problem of ozone depletion is caused by high levels of chlorine and bromine compounds in the stratosphere.
Question 9
Greenhouse effect is caused by
Increase in CO2
Increase in O2
Decrease in O2
Decrease in CO2
SOLUTION
Solution : A
Greenhouse effect is caused by increase in CO2.
Question 10
MIC
PVC
Teflon
Hydrogen Sulphide
SOLUTION
Solution : A
MIC ( Methyl Isocyanate ) is the poisonous gas leaked during Bhopal gas tragedy.