The greatest problem of water conservation is to reduce the amount of
Precipitation
Run-off water
Groundwater
evaporation
Which is not true regarding genetic diversity?
At what height in Himalayan region of our country are Taiga forest located?
What does ‘Red’ indicate in the $\mathrm{IUCN}$ Red list $(2004)$ ?
Rajaji national park is situated in
One of endangered species of Indian medicinal plants is that of