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