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