A) virtue of its position B) All of the above C) static body D) moving body
A) 30j B) 40j C) 20j D) 10j
A) electrical potential energy B) mechanical potential energy C) Nuclear potential energy D) chemical potential energy
A) rest B) none of the above C) all of the above D) motion
A) earth B) Jupiter C) Uranus D) Mercury
A) Saturn B) Pluto C) Mars D) Mercury
A) Saturn B) Jupiter C) Neptune D) earth
A) Mars B) Saturn C) Jupiter D) Mercury
A) energy and power B) stars and galaxies C) all of the above D) planets and moon
A) 38m B) 380j C) 350N D) 450j
A) bush burning B) soil erosion C) rainfall D) farming
A) All of the above B) heat C) water D) sound
A) sheet B) slurry C) gully D) rill
A) Man B) Livings things C) Human D) Woman
A) covering sheet B) cover crops C) mulching D) cover
A) avoid overgrazing B) deforestation C) planting of cover crops D) mulching
A) 79% B) 77% C) 76% D) 78%
A) fuel B) food C) air D) water
A) nitrogen cycle B) water cycle C) carbon cycle D) oxygen cycle
A) humanitarian B) economical C) agricultural D) ecological
A) liquid B) air C) water D) fuel
A) tertiary and primary hardness B) permanent and temporary hardness C) stable and unstable hardness D) primary and secondary hardness
A) none of the above B) impure substance C) two pure substances D) pure substance
A) magnesium and aluminum B) calcium and magnesium C) sulphur and ammonium D) aluminum and manganese
A) ion exchange resin B) boiling C) washing soda D) caustic soda
A) none of the above B) true C) false D) maybe
A) using of fluoride B) addition of washing soda C) using of slaked lime D) boiling
A) lime treatment B) ammoniation C) transpiration D) chlorination
A) maintains soil texture B) loss soil fertility C) lead to collapse of building D) destroy soil structure
A) 3000j B) 300j C) 3kj D) 30j
A) pharmaceutical chemicals B) laboratory chemicals C) agrochemicals D) nuclear chemicals
A) dirty B) heterogenous C) homogenous D) impure
A) K B) Pk C) Pt D) P
A) Acid B) Gamma ray C) X-ray D) light
A) Industry B) Pharmaceutical C) laboratory D) Agriculture
A) Limestone B) Calcium C) Calcium hydroxide D) Calcium carbonate
A) Ten degree celcius B) Fifty degree celcius C) Zero degree celcius D) Hundred degree celcius
A) 23 B) 21 C) 22 D) 24
A) Soil erosion B) Water pollution C) Air pollution D) Sand pollution
A) Soil B) Sand C) Air D) Water |