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