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