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