10.
the most appropriatc attitude towards resources for human survival and sustenance is
callcd (a) resource cducation (d) conservation (c) resource depletion (d) loss of
biodiversity (c) cnvironmental science.
the global mean icmpcrature in the last one hundred ycar has increased by about (a) 0.5-
0.7°c (b)) 0.2-0.7°c (c) 0.5-0.6°c (d) 0.7-0.5°c (c) 0.5-0.7°c.
thc tcmpcrature at the carth surface is mainly dctcrmined by (a) the amount of sunlight
the carth roccivcs and reſccis. (b) the amount of hical retained by the atmosphere (c)
cvaporation and condensation of water vapour (d) a and c only (c) a, b, and c.
soil crosion encompasses (a) sediment entrailment (b) transportation (c) weathering (d)
siltation (c) a and b.
thc removal of the upper liorizons of developed soils at much faster rate than can be
replaced by natural processes is called (a) gcologic crosion (b) accelerated crosion (c)
natural crosion (d) artificial crosion (c) none of the above.
thc trapping ofhcat cncrgy by water vapour and other gascs is known as (a) thc blanket
cffect (b) the green house clfect (c) the ozone cffect (d) the blue house cffect (c) none of
the above.
the following are responsible for global warming except (a) burning of fossil fuels (b)
cattle rearing (c) deforestation (d) afforestation (c) application of fertilizers.