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