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