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