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