Soil erosion is prevented by
deforestation'afforestation
reduction of CFCs production
afforestation
use of CNG in all transports
Increase in atmospheric temperature due to CO2 is called
Pasteur effect
Green house effect
Blackman effect
Emerson effect
An inexhaustible non- conventional universal source of energy is
wind energy
solar energy
hydrothermal energy
tidal energy
Chipko movement was launched for the protection of
grasslands
forests
liverstock
wet lands
The term 'Alpha diversity' refers to
genetic diversity
community and ecosystem diversity
species diversity
diversity among the plants
Which one is not the renewable energy of natural resources ?
Tidal energy
Wind energy
Fossil energy
Solar energy
Gaseous pollutants can be controlled by
arrestors
electrostatic precipitators
pyrolysis
incineration
The species diversity of plants on earth will be
2.4%
22%
8.1%
85%
In 2002 AD, according to research, the concentration of CFCs reached to
368 ppm
1750 ppb
261 ppt
326 ppb
Which one of the following is an example of exsitu conservation ?
wild life sanctuary
seed bank
sacred groves
national park