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