A) crude oil B) petrochemical C) hydrogen compound D) petroleum
A) lubricating oil B) bitumen C) ethanol D) methylphenidate
A) casting B) welding C) melting D) sintering
A) casting B) smelting C) hammering D) digging
A) crude oil B) petroleum C) hydrocarbons D) petrochemical
A) casting B) sintering C) smelting D) welding
A) petrochemical B) hydrogen C) hydrocarbon D) carbon
A) Vaseline and paraffin B) bitumen C) lubricating oils D) kerosene
A) casting B) hammering C) sintering D) smelting
A) hammering B) casting C) sintering D) moulding
A) world healthy organizer B) world’s health organizer C) world health organization D) word health organization
A) cattle sheep and goats B) rabbits donkeys and horses C) donkeys elephants and horses D) pigs hens and goats
A) yam B) rubber C) vegetables D) soya bean
A) deforestation B) forest clearing C) afforestation D) bush clearing
A) water B) overgrazing C) mechanical weathering D) chemical weathering
A) bush burning B) deforestation C) desertification D) afforestation
A) water B) bush burning C) overgrazing D) deforestation
A) none of the above B) zoonotic and non-zoonotic C) reversed zoonosis D) communicable and non-communicable diseases
A) carbon fluorine and chlorophyll B) chlorine and fluoride C) chlorofluorocarbon D) chloride flouride and carbon
A) common cold B) pneumonia C) malaria D) measles
A) measles B) common cold C) malaria D) cholera
A) oscillatory motion B) linear motion C) static motion D) rotary motion
A) roller slides B) dovetail slides C) ball-bearing slides D) plain bearing
A) non return rotary motion B) reversible rotary motion C) one way rotary motion D) one way rotary motion
A) crest B) rolling point C) trough D) torque
A) electric fan B) armature winding of an electric generator C) crankshaft of a running engine D) seconds indicator of an analog clock
A) hand break B) crankshaft C) ratchet D) piston
A) motion in different directions B) motion in straight line C) motion in one direction D) motion in circle
A) straight motion B) linear motion C) rotary motion D) horizontal motion
A) vacuum B) water C) solids D) liquid
A) P.E=1/2mv B) P.E=mv C) P.E=mgh D) P.E=mvh
A) potential B) static C) joule D) kinetic
A) battery B) coal C) wood D) sun
A) force and mass B) force and energy C) mass and distance D) force and distance
A) cheap B) light in weight C) good insulator D) good conductor
A) chainsaw B) bulldozer C) matchet D) grader
A) evaporation B) fractional distillation C) crystallization D) sieving
A) thermoplastic B) solidification C) molten D) natural
A) alloy B) compound C) matter D) materials
A) growth B) change C) reproduction D) excretion
A) depletion ozone layer B) lead to very clear weather C) leads to respiratory tract diseases D) causes acid rain
A) amphibians B) reptiles C) insect D) mammals
A) dominant trait B) progeny trait C) recessive trait D) albinism
A) reduce social vices B) go reduce joblessness C) to make people suffer D) improve knowledge
A) manhood B) childhood C) boyhood D) girlhood
A) living and animals B) non-living things and buildings C) living things and non-living things D) temperature and pressure
A) parasitism B) symbiosis C) mutualism D) commensalism
A) grazing and land B) sweeping and harvesting C) cutting and planting D) farming and construction
A) bush burning B) availability of good soil C) clearing D) process of deforestation
A) aquatic B) terrestrial C) herbivorous D) arboreal |