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