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