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