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