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