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