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