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