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