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