A) All of the above B) virtue of its position C) moving body D) static body
A) 30j B) 20j C) 40j D) 10j
A) Nuclear potential energy B) mechanical potential energy C) chemical potential energy D) electrical potential energy
A) motion B) none of the above C) rest D) all of the above
A) Jupiter B) earth C) Mercury D) Uranus
A) Pluto B) Saturn C) Mercury D) Mars
A) earth B) Jupiter C) Saturn D) Neptune
A) Mars B) Jupiter C) Saturn D) Mercury
A) all of the above B) stars and galaxies C) energy and power D) planets and moon
A) 380j B) 450j C) 350N D) 38m
A) soil erosion B) rainfall C) bush burning D) farming
A) heat B) sound C) water D) All of the above
A) sheet B) gully C) rill D) slurry
A) Woman B) Man C) Human D) Livings things
A) mulching B) cover crops C) cover D) covering sheet
A) planting of cover crops B) avoid overgrazing C) mulching D) deforestation
A) 78% B) 77% C) 76% D) 79%
A) fuel B) food C) water D) air
A) water cycle B) nitrogen cycle C) carbon cycle D) oxygen cycle
A) agricultural B) ecological C) humanitarian D) economical
A) air B) liquid C) water D) fuel
A) tertiary and primary hardness B) stable and unstable hardness C) permanent and temporary hardness D) primary and secondary hardness
A) pure substance B) two pure substances C) impure substance D) none of the above
A) sulphur and ammonium B) aluminum and manganese C) magnesium and aluminum D) calcium and magnesium
A) boiling B) ion exchange resin C) caustic soda D) washing soda
A) maybe B) true C) false D) none of the above
A) boiling B) addition of washing soda C) using of slaked lime D) using of fluoride
A) chlorination B) lime treatment C) transpiration D) ammoniation
A) loss soil fertility B) lead to collapse of building C) destroy soil structure D) maintains soil texture
A) 3000j B) 3kj C) 300j D) 30j
A) agrochemicals B) pharmaceutical chemicals C) nuclear chemicals D) laboratory chemicals
A) heterogenous B) dirty C) homogenous D) impure
A) Pt B) Pk C) P D) K
A) Gamma ray B) light C) X-ray D) Acid
A) Agriculture B) laboratory C) Industry D) Pharmaceutical
A) Limestone B) Calcium carbonate C) Calcium D) Calcium hydroxide
A) Fifty degree celcius B) Ten degree celcius C) Hundred degree celcius D) Zero degree celcius
A) 24 B) 21 C) 23 D) 22
A) Soil erosion B) Air pollution C) Water pollution D) Sand pollution
A) Soil B) Sand C) Air D) Water |