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