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