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