BECEIntegrated ScienceGhana BECE 2012 INTEGRATED SCIENCE PAST QUESTIONS AND ANSWERS passcogh2 years ago1 year ago01 mins 0% 2 Ghana BECE 2012 INTEGRATED SCIENCE ANSWER BECE 2012 INTEGRATED SCIENCE PAST QUESTIONS 1 / 40 1) The S.I. unit for measuring the work done by a force is A) W B) K C) N D) J 2 / 40 2) The chemical formula of a compound describes the A) type of bonding in the compound B) state of the compound C) number of molecules in the compound D) ratio in which the elements are combined 3 / 40 3) Which of the following life processes is represented by the equation Glucose +oxygen→carbon dioxide +water+ energy A) Digestion B) Respiration C) Photosynthesis D) Excretion 4 / 40 4) Each layer of soil profile is known as A) litter B) horizon C) solum D) regolith 5 / 40 5) When the p-n junction of a transistor is reverse biased A) current flows from the n-type to the p-type B) conduction of current occurs C) current flows from the p-type to the n-type D) no current flows from the p-type to the n-type 6 / 40 6) When a solid-liquid mixture is filtered, the liquid that separates out into the container is called A) residue B) solution C) sediment D) filtrate 7 / 40 7) Which of the following processes involves the solid state of matter? A) Boiling B) Evaporation C) Melting D) Condensation 8 / 40 8) Which of the following farming systems is most effective in maintaining soil fertility? A) Land rotation B) Mixed cropping C) Mono culture D) Crop rotation 9 / 40 9) The disease in humans which is associated within sufficient intake of calcium is A) kwashiorkor B) goiter C) rickets D) scurvy 10 / 40 10) The arrow in the circuit symbol of either n-p-n or p-n-p transistor is always on the A) emitter lead B) receiver lead C) base lead D) collector lead 11 / 40 11) Which of the following insect pests of crops has piercing and sucking mouthparts? A) Termites B) Grasshoppers C) Stem borers D) Aphids 12 / 40 12) A reflex action involves the A) spinal cord and muscles B) brain and muscles C) brain and nerves D) spinal cord and nerves 13 / 40 13) The type of image formed in a plane mirror is always A) virtual B) enlarged C) real D) diminished 14 / 40 14) Which of the following statements about acids are correct? I. They turn red litmus paper blue II. They can be classified as either organic or mineral acids III. They can be neutralized by bases A) I,II and III B) II and III only C) I and III only D) I and II only 15 / 40 15) A transistor is said to operate in an active region when A) base-collector junction is forward biased B) both p-n junctions are reversed biased C) base-emitter junctions are reversed biased D) one p-n junction is forward biased and the other is reversed biased 16 / 40 16) Tuberculosis is spread A) through sharing of contaminated syringes B) through shaking of hands of infected persons C) through eating of contaminated food D) when an infected person coughs openly into the air 17 / 40 17) One function of engine oil in the engine of a tractor is to A) ensure proper mixing of fuel B) warm the engine C) enhance air intake D) lubricate the engine parts 18 / 40 18) Blackpod is a disease of A) coffee B) cocoa C) guava D) mango 19 / 40 19) The efficiency of a machine is always less than 100% because part of the energy input is used to A) stop the machine after working B) perform useful work on the load C) overcome friction D) lift the machine up 20 / 40 20) Which of the following electronic components are used to produce oscillator circuits? I. Transistor II. Inductor III. Capacitor A) I and II only B) I,II andIII C) I and III only D) II and III only 21 / 40 21) Which of the following sources of light is natural? A) Filament bulb B) Firecracker C) Glow worm D) Fluorescent tube 22 / 40 22) Which of the following substances are carried by the blood? I. Hormones II. Urine III. Oxygen IV. Carbon dioxide A) III and IV only B) I and IV only C) I,III and IV only D) I only 23 / 40 23) The practice of starting new organization in response to identified opportunities is termed A) agribusiness B) business enterprise C) management D) entrepreneurship 24 / 40 24) The sub-atomic particle with zero charge in the nucleus of an atom is called A) proton B) electron C) neutron D) ion 25 / 40 25) In the pin-hole camera,when the size of the pin-hole is increased, the image formed is A) magnified B) blurred C) virtual D) erect 26 / 40 26) Non-reactive metals are preferred in making ornaments and jewellery because they A) do not retain their lustre B) do not react with atmospheric oxygen C) are corrosive D) are attractive 27 / 40 27) Producers in an ecosystem are plants that A) trap insects B) feed on other plants C) attract insects D) manufacture their own food 28 / 40 28) The sub-atomic particle with zero charge in the nucleus of an atom is called A) electron B) neutron C) ion D) proton 29 / 40 29) The use of resistant varieties of crop in controlling diseases is described as A) physical control method B) cultural control method C) biological control method D) chemical control method 30 / 40 30) The chemical formula for aluminium oxide is represented as AlxOy. The values of x and y are respectively A) 3 and 2 B) 2 and 3 C) 1 and 3 D) 3 and 1 31 / 40 31) In electrical circuits, the component that protects appliances against very high currents is the A) resistor B) fuse C) capacitor D) switch 32 / 40 32) One benefit of technology to industrialization is A) reduction in skillful labour B) environmental pollution C) increase in cost of production of goods D) provision of machinery 33 / 40 33) Which of the following factors contribute to early parenthood? I. Poverty II. Illiteracy III. Lack of parental care IV. Peer pressure A) III and IV only B) I and II only C) I,II,III and IV D) II and III only 34 / 40 34) Which of the following examples of fertilizers improves soil texture? A) Urea B) Sulphate of ammonia C) Compost D) NPK 35 / 40 35) The reaction between hydrochloric acid and sodium hydroxide produces A) sodium oxide only B) sodium oxide and water C) sodium chloride and water D) sodium chloride only 36 / 40 36) In modern electrical wirings the colour code for the live wireis A) green and yellow B) green C) blue D) brown 37 / 40 37) An example of soil minor nutrient is A) calcium B) iron C) nitrogen D) phosphorus 38 / 40 38) The complete development of a human foetus in the womb normally takes A) 8 months B) 7 months C) 10 months D) 9 months 39 / 40 39) A material that allows a small amount of light energy to pass through it but cannot be seen through is referred to as A) reflective B) opaque C) translucent D) transparent 40 / 40 40) The leads of the transistor responsible for activation is the A) amplifier B) base C) emitter D) collector Your score is Facebook Twitter Restart quiz Post navigation Previous: Ghana WASSCE 2014 BUSINESS MANAGEMENT PAST QUESTIONS AND ANSWERSNext: Ghana BECE 2004 ENGLISH PAST QUESTIONS AND ANSWERS Leave a Reply Cancel replyYour email address will not be published. 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