1) 1.Which of the following is not a physical property of metals: a) Brittle b) Corrosion c) Malleability d) Ductile 2) Aluminum is used in aircraft bodies because it is a) malleable and ductile b) elastic and brittle c) permeable and hard d) elastic and ductile 3) What are the elements present in potassium sulphate? a) Potassium,sulpur, and oxygen b) Potassium,sulphur and carbon c) potassium, nitrogen and oxygen d) potassium, carbon and oxygen 4) Which metal is used in electroplating cans to store food? a) Silver b) Chromium c) Tin d) Nickel 5) What do we call the substance which is broken down by electrolysis? a) Electrode b) Electrolyte c) Electrolysis d) Electronics 6) Which sequence is correct as urine leaves the kidneys? a) Bladder,Ureter,Kidney b) Kidney,Bladder,Ureter c) Ureter,Kidney,Bladder d) Kidney,Ureter,Bladder 7) What is the structure found above the kidneys? a) Duodenum b) Adrenal glands c) Bladder d) Fat 8) Motor neurons send signals to a) Muscle and glands b) Sensory receptors c) Spinal cord d) Relay neuron 9) Which of the following is not the function of the nervous system? a) Sense the internal and external environment b) Integrate sensory information c) Coordinate voluntary and involuntary activities d) Direct long term functions such as growth and metabolism 10) Which of these cannot be considered as an acceleration? a) Moving at the same speed on a straight line b) Slowing down c) Change of direction d) Increasing speed 11) A curved line that is getting steeper on a Distance-Time graph represent: a) Deceleration b) Acceleration c) Constant speed d) A stationary object 12) The SI unit used to measure speed is a) meter per second b) meter per second square c) meter square per second d) meter 13) Which one of the following represents the force of gravity? a) The attraction between Earth and objects b) Force of a table pushing up a book c) Steve banging the table d) Victoria ice skating 14) The unit used to measure potential difference is a) Ampere b) Volt c) Watt d) Ohm 15) Which of the given equation represents Ohm's Law? a) W=F*d b) V=I*R c) R=I*V d) PE=m*g*h 16) What is current? a) The flow of charges, usually in the form of electrons b) Driving force on electrons c) Something that blocks or slows the flow of electrons d) The potential energy stored in a battery 17) Why do we coat wires with plastic or rubber? a) Because these are good insulators b) Because these are good conductors c) Because these materials look nicer than copper wire d) Because these materials are cheap 18) Current flowing in only one direction is a) Unpredictable Current (UC) b) Alternating Current (AC) c) Direct Current (DC) d) Detectable Current (DC) 19) The current in our wall outlets and light sockets is a) AC b) DC c) Both of these d) None of these 20) Which choice best defines pressure?" a) The amount of force that's applied to a unit of area b) The height of a solid object above a flat surface c) The volume of a liquid d) The absence of gas in a liquid 21) At sea level, atmospheric pressure is about a) 10 k Pa b) 100 k Pa c) 200 k Pa d) 500k Pa 22) For a see-saw to be balanced, the anti-clockwise moment must be equal to a) Mass b) Clockwise Moment c) Weight d) Length 23) The turning effect of a force is measured in a) N m b) N/m c) N d) Kg 24) In a see-saw, on one side, there is a person with a weight of 600N. He is sitting 3m away from the pivot. On the other side, is a person weighing 450N. How far away must he sit for balanced see saw? a) 2m b) 4m c) 6m d) 3.5m 25) __________ is a chemical reaction between an acid and alkali and forms a salt solution. a) Displacement b) Decomposition c) Synthesis d) Neutralization 26) From copper sulphate solution, how do we remove water and get crystals of copper sulphate. a) Filter b) Evaporate c) Distill d) Condense 27) Metal carbonate + acid --> a) Salt + Hydrogen b) Salt + Water + Carbon Dioxide c) Salt + Water d) None of these 28) Salts that are preapred with hydrochloric acid are called ______________. a) chlorides b) sulphates c) nitrates d) carbonates 29) Which salt would be formed by reacting cobalt carbonate and hydrochloric acid? a) Cobalt sulphate b) Cobalt chloride c) Cobalt hydroxide d) Cobalt sulphide 30) Limewater turns milky it indicates the presence of ______________ gas. a) Carbon dioxide b) Oxygen c) Nitrogen d) Hydrogen

Science Quiz Pre-Olevels

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