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