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