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