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