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