'Van Mahostav' was started by
K M Munshi
Sundar Lal Bahugunae
Vinoba Bhave
J L Nehru
Chipko movement was launched for the protection of
grasslands
forests
liverstock
wet lands
Ozone (O3) depletion is due to
PAN
NOx
CFCs
Sulphates
The term 'Alpha diversity' refers to
genetic diversity
community and ecosystem diversity
species diversity
diversity among the plants
The alien species introduced into lake Victoria that was responsible for the extinction of Cichlid fishes is
African catfish
Water hyacinth
Carrot grass
Nile perch
Conservation in natural habitat is
in situ
ex situ
zoo
botanic garden
According to Kyoto protocol, the major nations abide to reduce concentration of green-house gases by
2008
2010
2012
2018
Increase in atmospheric temperature due to CO2 is called
Pasteur effect
Green house effect
Blackman effect
Emerson effect
Soil erosion is prevented by
deforestation'afforestation
reduction of CFCs production
afforestation
use of CNG in all transports
Contour farming is usually employed in
hilly areas
sandy areas
sea beaches
All of these