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