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