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