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