Biosphere
(a) Biosphere
(b) Bio-community
(c) Ecosystem
(d) Population
(a) Chlorofluorocarbons
(b) Nitrous oxide
(c) Sulphur oxide
(d) Carbon oxide
(a) 8 minutes and 30 seconds
(b) 10 minutes and 30seconds
(c) 12 minutes and 30 seconds
(d) 15 minutes and 30seconds.
(a) Nitrous and sulphur oxide
(b) Carbon dioxide
(c) Methane gas
(d) Chlorofluorocarbons
(a) Ecology
(b) Ethnology
(c) Genealogy
(d) Iconology
(a) Producers
(b) Decomposers
(c) Consumers
(d) None of these
(a) Paper
(b) D.D.T
(c) Aluminium
(d) Plastic
(a) Cold air
(b) Oxygen
(c) Food
(d) Shelter
(a) Soil erosion
(b) Loss of forest wealth
(c) Loss of many valuable plants
(d) None of these
(a) Tiger and deer
(b) Man and camel
(c) Deer and rabbit
(d) None of these