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