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