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