A) virtue of its position B) moving body C) All of the above D) static body
A) Newton B) Newton metre C) kilogram D) Joules
A) 20j B) 40j C) 10j D) 30j
A) Nuclear potential energy B) chemical potential energy C) electrical potential energy D) mechanical potential energy
A) motion B) none of the above C) rest D) all of the above
A) seconds B) Newton C) meter D) joules
A) Jupiter B) Mercury C) earth D) Uranus
A) Saturn B) Mercury C) Pluto D) Mars
A) earth B) Jupiter C) Saturn D) Neptune
A) Mars B) Jupiter C) Mercury D) Saturn
A) all of the above B) planets and moon C) stars and galaxies D) energy and power
A) 366 B) 365 C) 364 D) 363
A) 380j B) 450j C) 38m D) 350N
A) 365.24days B) 366 days C) 365 days D) 367 days
A) soil erosion B) bush burning C) rainfall D) farming
A) work B) chore C) walk D) job
A) evaporation, condensation and precipitation B) All of the above C) transportation, transpiration and evaporation D) conducting, convection and radiation
A) visible and invisible B) none of the above C) ultraviolet and infrared D) white and black
A) electrical magnet radio B) electromagnetic radio C) electronic management radiation D) electromagnetic radiation
A) gully B) rill C) slurry D) sheet
A) Man B) Human C) Livings things D) Woman
A) cover crops B) covering sheet C) mulching D) cover
A) all of the above B) fencing C) blocking D) terracing
A) deforestation B) mulching C) avoid overgrazing D) planting of cover crops
A) 78% B) 79% C) 77% D) 76%
A) evaporation B) precipitation C) condensation D) radiation
A) water B) fuel C) food D) air
A) nitrogen cycle B) water cycle C) oxygen cycle D) carbon cycle
A) humanitarian B) agricultural C) ecological D) economical
A) harvesting B) collection C) collation D) conversation
A) air B) water C) fuel D) liquid
A) stable and unstable hardness B) primary and secondary hardness C) permanent and temporary hardness D) tertiary and primary hardness
A) two pure substances B) pure substance C) impure substance D) none of the above
A) chemical test B) melting and boiling points C) all of the above D) homogeneity
A) clean substance B) pure substance C) neat substance D) purity
A) potential of hydrogen B) potential of hydrogen peroxide C) potential of hydrogen oxide D) potential of helium
A) coagulation B) ammoniation C) filtration D) fluoridation
A) calcium and magnesium B) magnesium and aluminum C) sulphur and ammonium D) aluminum and manganese
A) ion exchange resin B) caustic soda C) washing soda D) boiling
A) true B) none of the above C) maybe D) false
A) using of fluoride B) using of slaked lime C) boiling D) addition of washing soda
A) adding of aluminum B) adding of magnesium C) adding of ammonium D) adding of chlorine
A) improve taste B) remove hardness C) increase pH D) clarify the water
A) ammoniation B) chlorination C) lime treatment D) transpiration
A) kilogram B) Newton C) kilometer D) joules
A) loss soil fertility B) lead to collapse of buildin C) destroy soil structure D) maintains soil texture
A) land pollution B) sand pollution C) water pollution D) air pollution
A) evaporation B) convection C) precipitation D) condensation
A) 30j B) 3kj C) 300j D) 3000j
A) pharmaceutical chemicals B) laboratory chemicals C) nuclear chemicals D) agrochemicals |