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