41.
Leader of "Narmada Bachao Andolan"

42.
Who wrote the book "Violence of Green Revolution"

43.
Ozonosphere seen in

44.
Plants adapted to open, sunny habitats are

45.
Almost all of the earth's weather occurs in the:

46.
Ozone layer is present in

47.
Ozone Umbrella is located in which layer of atmosphere

48.
One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as

49.
The cause of Bhopal disaster is

50.
At which city might you be able to observe cirrus clouds at an altitude of 3,000 m (10,000 feet) above the surface?