A) petroleum B) hydrogen compound C) petrochemical D) crude oil
A) ethanol B) lubricating oil C) bitumen D) methylphenidate
A) welding B) casting C) melting D) sintering
A) smelting B) hammering C) digging D) casting
A) hydrocarbons B) petroleum C) petrochemical D) crude oil
A) casting B) sintering C) welding D) smelting
A) hydrogen B) hydrocarbon C) petrochemical D) carbon
A) bitumen B) lubricating oils C) kerosene D) Vaseline and paraffin
A) smelting B) sintering C) casting D) hammering
A) casting B) sintering C) hammering D) moulding
A) word health organization B) world health organization C) world healthy organizer D) world’s health organizer
A) rabbits donkeys and horses B) cattle sheep and goats C) donkeys elephants and horses D) pigs hens and goats
A) yam B) soya bean C) vegetables D) rubber
A) afforestation B) bush clearing C) deforestation D) forest clearing
A) chemical weathering B) water C) mechanical weathering D) overgrazing
A) desertification B) deforestation C) bush burning D) afforestation
A) water B) deforestation C) overgrazing 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) chlorofluorocarbon C) carbon fluorine and chlorophyll D) chloride flouride and carbon
A) pneumonia B) measles C) malaria D) common cold
A) measles B) common cold C) cholera D) malaria
A) static motion B) rotary motion C) linear motion D) oscillatory motion
A) ball-bearing slides B) roller slides C) dovetail slides D) plain bearing
A) reversible rotary motion B) one way rotary motion C) one way rotary motion D) non return rotary motion
A) trough B) rolling point C) torque 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) hand break B) crankshaft C) ratchet D) piston
A) motion in straight line B) motion in different directions C) motion in circle D) motion in one direction
A) horizontal motion B) rotary motion C) straight motion D) linear motion
A) vacuum B) water C) liquid D) solids
A) P.E=mvh B) P.E=mv C) P.E=1/2mv D) P.E=mgh
A) static B) potential C) kinetic D) joule
A) battery B) coal C) sun D) wood
A) force and energy B) force and mass C) force and distance D) mass and distance
A) light in weight B) good insulator C) cheap D) good conductor
A) grader B) bulldozer C) matchet D) chainsaw
A) sieving B) crystallization C) fractional distillation D) evaporation
A) molten B) solidification C) natural D) thermoplastic
A) materials B) compound C) matter D) alloy
A) excretion B) growth C) change D) reproduction
A) leads to respiratory tract diseases B) causes acid rain C) lead to very clear weather D) depletion ozone layer
A) amphibians B) mammals C) reptiles D) insect
A) dominant trait B) recessive trait C) progeny trait D) albinism
A) reduce social vices B) improve knowledge C) to make people suffer D) go reduce joblessness
A) boyhood B) girlhood C) manhood D) childhood
A) temperature and pressure B) non-living things and buildings C) living things and non-living things D) living and animals
A) mutualism B) symbiosis C) parasitism D) commensalism
A) grazing and land B) farming and construction C) cutting and planting D) sweeping and harvesting
A) process of deforestation B) bush burning C) clearing D) availability of good soil
A) arboreal B) herbivorous C) aquatic D) terrestrial |