BECE Integrated Science Objectives Past Questions & Answer


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BECE 2012 Integrated Science Objectives

1. The S.I. unit for measuring the work done by a force is 
A. J 
B. K 
C. N 
D. W

2. The chemical formula of a compound describes the 
A. number of molecules in the compound 
B. type of bonding in the compound 
C. ratio in which the elements are combined 
D. state of the compound

3. Which of the following life processes is represented by the equation
Glucose + oxygen → carbon dioxide + water + energy 
A. Digestion 
B. Excretion 
C. Photosynthesis 
D. Respiration

4. Each layer of soil profile is known as 
A. horizon 
B. litter 
C. regolith 
D. solum

5. When the p-n junction of a transistor is reverse biased 
A. current flows from the p-type to the n-type 
B. no current flows from the p-type to the n-type 
C. conduction of current occurs 
D. current flows from the n-type to the p-type

6. When a solid-liquid mixture is filtered, the liquid that separates out into the container is called 
A. filtrate 
B. residue 
C. sediment 
D. solution

7. Which of the following processes involves the solid state of matter? 
A. Boiling 
B. Condensation 
C. Evaporation 
D. Melting

8. Which of the following farming systems is most effective in maintaining soil fertility? 
A. Crop rotation 
B. Land rotation 
C. Mixed cropping 
D. Monoculture

9. The disease in humans which is associated with insufficient intake of calcium is 
A. goiter 
B. kwashiorkor 
C. rickets 
D. scurvy

10. The arrow in the circuit symbol of either n-p-n or p-n-p transistor is always on the 
A. base lead 
B. collector lead 
C. emitter lead 
D. receiver lead

11. Which of the following insect pests of crops has piercing and sucking mouthparts? 
A. Aphids 
B. Grasshoppers 
C. Stemborers 
D. Termites

12. A reflex action involves the 
A. brain and muscles 
B. brain and nerves 
C. spinal cord and muscles 
D. spinal cord and nerves

13. The type of image formed in a plane mirror is always 
A. diminished 
B. enlarged 
C. real 
D. virtual

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 and II only 
B. I and III only 
C. II and III only 
D. I, II and III

15. A transistor is said to operate in an active region when 
A. one p-n junction is forward biased and the other is reversed biased 
B. base-emitter junctions are reversed biased 
C. both p-n junctions are reversed biased 
D. base-collector junction is forward biased

16. Tuberculosis is spread 
A. through eating of contaminated food 
B. when an infected person coughs openly into the air 
C. through shaking of hands of infected persons 
D. through sharing of contaminated syringes

17. One function of engine oil in the engine of a tractor is to 
A. warm the engine 
B. enhance air intake 
C. ensure proper mixing of fuel 
D. lubricate the engine parts

18. Black pod is a disease of 
A. cocoa 
B. coffee 
C. guava 
D. mango

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. 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 and III only 
C. II and III only 
D. I, II and III

21. Which of the following sources of light is natural? 
A. Filament bulb 
B. Fluorescent tube 
C. Glow worm 
D. Fire cracker

22. Which of the following substances are carried by the blood? [problem with question] 
A. Hormones 
B. Urine 
C. Oxygen 
D. Carbon dioxide

23. The practice of starting new organization in response to identified opportunities is termed 
A. agribusiness 
B. business enterprise 
C. entrepreneurship 
D. management

24. The sub-atomic particle with zero charge in the nucleus of an atom is called 
A. electron 
B. ion 
C. neutron 
D. proton

25. Which of the following management practices greatly helps in record keeping? 
A. Culling 
B. Debeaking 
C. Dehorning 
D. Identification

26. In the pin-hole camera, when the size of the pin-hole is increased, the image formed is 
A. blurred 
B. erect 
C. magnified 
D. virtual

27. Non-reactive metals are preferred in making ornaments and jewellery because they 
A. are attractive 
B. do not react with atmospheric oxygen 
C. do not retain their lustre 
D. are corrosive

28. Producers in an ecosystem are plants that 
A. attract insects 
B. feed on other plants 
C. manufacture their own food 
D. trap insects

29. The use of resistant varieties of crop in controlling diseases is described as 
A. biological control method 
B. chemical control method 
C. cultural control method 
D. physical control method

30. The chemical formula for aluminium oxide is represented as AlxOy. The values of x and y are respectively 
A. 3 and 2 
B. 3 and 1 
C. 1 and 3 
D. 2 and 3

31. In electrical circuits, the component that protects appliances against very high currents is the 
A. capacitor 
B. fuse 
C. resistor 
D. switch

32. One benefit of technology to industrialization is 
A. environmental pollution 
B. reduction in skilful labour 
C. provision of machinery 
D. increase in cost of production of goods

33. Which of the following factors contribute to early parenthood? 
I. Poverty 
II. Illiteracy 
III. Lack of parental care 
IV. Peer pressure 
A. I and II only 
B. II and III only 
C. III and IV only 
D. I, II, III and IV

34. Which of the following examples of fertilizers improves soil texture? 
A. Compost 
B. NPK 
C. Sulphate of ammonia 
D. Urea

35. The reaction between hydrochloric acid and sodium hydroxide produces 
A. sodium oxide only 
B. sodium chloride only 
C. sodium oxide and water 
D. sodium chloride and water

36. In modern electrical wirings the colour code for the live wire is 
A. blue 
B. brown 
C. green 
D. green and yellow

37. An example of soil minor nutrient is 
A. calcium 
B. iron 
C. nitrogen 
D. phosphorus

38. The complete development of a human foetus in the womb normally takes 
A. 7 months 
B. 8 months 
C. 9 months 
D. 10 months

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. opaque 
B. reflective 
C. translucent 
D. transparent

40. The leads of the transistor responsible for activation is the 
A. amplifier 
B. base 
C. collector 
D. emitter

2015 BECE Integrated Science Paper 1 (Objective test)


1. Brass is an alloy of 
A. iron and carbon 
B. zinc and copper 
C. iron and copper 
D. copper and tin

2. An example of inorganic fertilizer is 
A. ammonium nitrate 
B. cow dung 
C. farmyard manure 
D. poultry dropping

3. The component of the human blood which transports oxygen to all parts of the body is 
A. plasma 
B. platelets 
C. red blood cells 
D. which blood cells

4. The importance of the fuse in an electrical circuit is to 
A. regulate the voltage 
B. prevent damage to electrical appliances 
C. alter the flow of current in the circuit 
D. minimize the use of current

5. Which of the following step(s) is/are required in the scientific method? 
I. Formulation of hypothesis 
II. Identification of the problem 
III. Experimentation 
A. I only 
B. II only 
C. II and III only 
D. I, II and III

6. Which of the following food items produces amino acids as end product of digestion? 
A. Cabbage 
B. Fish 
C. Margarine 
D. Rice

7. The process of increasing the strength of a signal using a transistor is known as 
A. amplification 
B. biasing 
C. doping 
D. switching

8. The physical arrangement of soil particles into aggregates is termed 
A. soil porosity 
B. soil profile 
C. soil structure 
D. soil texture

9. The solvent which is most effective in washing bitumen from the hand is 
A. acid 
B. alcohol 
C. kerosene 
D. water

10. A piece of stone could be classified as a opaque material because it 
A. absorbs all the light incident on it 
B. does not absorb light incident on it 
C. allows all the light incident on it to pass through it 
D. does not allow light incident on it to pass through it

11. Fish swims in water with little resistance because it possesses 
A. gills 
B. scales 
C. caudal fins 
D. streamlined body

12. Which of the following conditions promote(s) rusting of iron? 
I. Air 
II. Moisture 
III. Oil 
A. I only 
B. II only 
C. I and II only 
D. II and III only

13. The change in volume of water when a piece of stone is dropped into it is equal to the 
A. density of the stone 
B. mass of the stone 
C. volume of the stone 
D. weight of the stone

14. The second stage in the life cycle of a mosquito is the 
A. egg 
B. imago 
C. larva 
D. pupa

15. Which of the following objects could be attracted by a magnet? 
A. Copper chain 
B. Gold chain 
C. Steel blade 
D. Aluminium spoon

16. The knowledge of soil texture is important because it 
A. influences plant population 
B. determines the planting distance 
C. determines the type of crop to be grown 
D. influences the method of pest control

17. How many atoms are present in CaCl2? 
A. 2 
B. 3 
C. 4 
D. 5

18. The transfer of heat from the bottom to the top of a beaker containing water is by 
A. absorption 
B. conduction 
C. convection 
D. radiation

19. An example of a chemical compound is 
A. aluminium 
B. ammonia 
C. oxygen 
D. phosphorus

20. The type of the human teeth used for biting food substances is 
A. canines 
B. incisors 
C. molars 
D. premolars

21. Which of the following heavenly bodies is a star? 
A. Jupiter 
B. Moon 
C. Sun 
D. Venus

22. Which of the following organisms is an endoparasite? 
A. Fleas 
B. Louse 
C. Tapeworm 
D. Tick

23. The part of the plant where pollination occurs is the 
A. flowers 
B. leaves 
C. roots 
D. stems

24. Which of the following substances is capable of neutralizing an acid? 
A. Vinegar 
B. Water 
C. Sodium chloride 
D. Sodium hydroxide

25. Droplet infection is the method by which 
A. diseases are transmitted from animals to plants 
B. infected animals are processed 
C. human beings protect themselves from diseases 
D. diseases are spread through the air

26. An example of a derived quantity is 
A. length 
B. mass 
C. time 
D. velocity

27. A structure in the human reproductive system which stores sperms temporarily is the 
A. epididymis 
B. penis 
C. scrotum 
D. vulva

28. Which of the following statements about diffusion is/are correct? 
I. It involves the movement of water molecules only 
II. It occurs in both gases and liquids 
III. It involves a semi-permeable membrane 
A. I only 
B. II only 
C. I and II only 
D. I, II and III

29. A farming system which requires at least three years programme is 
A. mixed cropping 
B. crop rotation 
C. organic farming 
D. mixed farming

30. The component of a living cell responsible for respiration is 
A. chloroplast 
B. mitochondrion 
C. nucleus 
D. vacuole

31. Which of the following statements about a second class lever is correct? The 
A. pivot is between the load and the effort 
B. pivot and the load are the same position 
C. load is between the effort and the pivot 
D. effort is between the load and the pivot

32. One advantage of soft water over hard water is that soft water 
A. has a pleasant taste 
B. can prevent heart diseases 
C. does not waste soap 
D. forms scales in kettles

33. The gas produced when glucose is oxidized during aerobic respiration is 
A. hydrogen 
B. nitrogen 
C. oxygen 
D. carbon dioxide

34. The systematic name for N2O is 
A. nitrogen (I) oxide 
B. nitrogen (II) oxide 
C. nitrogen (III) oxide 
D. nitrogen (IV) oxide

35. A husbandry practice which involves the removal of unwanted plant parts is known as 
A. mulching 
B. pruning 
C. thinning 
D. pricking out

36. The number of p-n junctions in a transistor is 
A. 1 
B. 2 
C. 3 
D. 4

37. Fruits dispersed by wind 
A. have hairs 
B. are sticky 
C. are succulent 
D. have hooks

38. Substances that burn living tissues when they come into contact with these tissues are considered 
A. corrosive 
B. flammable 
C. irritant 
D. toxic

39. The function of the platelets in the circulatory system of humans is to 
A. transport oxygen 
B. transport carbon dioxide 
C. clot the blood 
D. defend the body

40. Energy is the 
A. force to move an object 
B. weight of the body 
C. ability to work 
D. power to carry an object

SSCE 1996 Integrated Science Objectives


1. The group of which reptiles is an example is 
A. an order 
B. a family 
C. a class 
D. a genus

2. A chemical compound that can remove both types of hardness of water is 
A. Na2CO3 
B. NaHCO3 
C. Ca(OH)2 
D. Na2SO4

3. A liquid has relative density of 12.2. Calculate its density 
A. 1.220 kgm-3 
B. 12.20 kgm-3 
C. 122.00 kgm-3 
D. 12200 kgm-3

4. The correct order used in classifying an organism is 
A. phylum, species, class, genus 
B. phylum, class, genus, species 
C. phylum, genus, species, class 
D. phylum, class, species, genus

5. The component of air used by welders is 
A. N2 
B. C2H2 
C. CO2 
D. O3

6. When a hydrometer floats in a liquid, it means that the 
A. weight of the liquid displaced is equal to the weight of the hydrometer 
B. density of the hydrometer is equal to the density of the liquid 
C. upthrust on the hydrometer is less than the volume of the hydrometer 
D. volume of the portion of the hydrometer in the liquid is equal to the volume of the liquid displaced

7. The catalyst used in the manufacture of H2SO4 in the contact process is 
A. platinum 
B. iron (III) oxide 
C. vanadium (V) oxide 
D. nickel

8. An object has a mass of 220.0 kg. Calculate its weight. (g = 10.0ms-2) 
A. 2200.0 N 
B. 220.0 N 
C. 2.20 N 
D. 0.22 N

9. The causative agent of poliomyelitis is a 
A. worm 
B. bacterium 
C. protozoan 
D. virus

10. Ash from cocoa pod or baobab tree fruit pod tastes bitter because it contains 
A. acid 
B. alkali 
C. alcohol 
D. salt

SSCE 1996 Integrated Science Objectives


1. The group of which reptiles is an example is 
A. an order 
B. a family 
C. a class 
D. a genus

2. A chemical compound that can remove both types of hardness of water is 
A. Na2CO3 
B. NaHCO3 
C. Ca(OH)2 
D. Na2SO4

3. A liquid has relative density of 12.2. Calculate its density 
A. 1.220 kgm-3 
B. 12.20 kgm-3 
C. 122.00 kgm-3 
D. 12200 kgm-3

4. The correct order used in classifying an organism is 
A. phylum, species, class, genus 
B. phylum, class, genus, species 
C. phylum, genus, species, class 
D. phylum, class, species, genus

5. The component of air used by welders is 
A. N2 
B. C2H2 
C. CO2 
D. O3

6. When a hydrometer floats in a liquid, it means that the 
A. weight of the liquid displaced is equal to the weight of the hydrometer 
B. density of the hydrometer is equal to the density of the liquid 
C. upthrust on the hydrometer is less than the volume of the hydrometer 
D. volume of the portion of the hydrometer in the liquid is equal to the volume of the liquid displaced

7. The catalyst used in the manufacture of H2SO4 in the contact process is 
A. platinum 
B. iron (III) oxide 
C. vanadium (V) oxide 
D. nickel

8. An object has a mass of 220.0 kg. Calculate its weight. (g = 10.0ms-2) 
A. 2200.0 N 
B. 220.0 N 
C. 2.20 N 
D. 0.22 N

9. The causative agent of poliomyelitis is a 
A. worm 
B. bacterium 
C. protozoan 
D. virus

10. Ash from cocoa pod or baobab tree fruit pod tastes bitter because it contains 
A. acid 
B. alkali 
C. alcohol 
D. salt

BECE 2008 Integrated Science Objectives

1. A metre rule can be used for measuring the 
A. volume of a liquid 
B. area of a ball 
C. length of a table 
D. diameter of a wire

2. Heat travels through vacuum by 
A. conduction 
B. convection 
C. radiation 
D. convection and radiation

3. A mirror is used to direct sunlight onto the wall of a classroom by 
A. dispersion 
B. refraction 
C. reflection 
D. radiation

4. Which of the following energy changes takes place in ringing bell? 
A. Potential to kinetic 
B. Potential to sound 
C. Mechanical to sound 
D. Sound to light

5. A fuse is connected in an electric circuit to 
A. prevent electric shock 
B. increase the current 
C. prevent current from increasing 
D. increase the heat generated

6. Which of these objects is a magnetic substance? 
A. Aluminium 
B. Brass 
C. Copper
D. Iron

7. Which of the following bodies are natural sources of light? 
I. Moon 
II. Sun 
III. Firefly 
A. I and II only 
B. I and III only 
C. II and III only 
D. I, II and III only

8. Which of the following statements describes the nature of light? 
A. It passes through all objects 
B. It is absorbed at a polished surface 
C. It travels in a straight line 
D. It is always reflected in a medium

9. Metals are able to conduct electricity because they possess 
A. free electrons 
B. neutrons 
C. atoms 
D. free protons

10. Beriberi is caused by deficiency of vitamin 
A. A 
B. B 
C. E 
D. K

11. Which of the following fruits is adapted for dispersal by air? 
A. Succulent fruit 
B. Brightly coloured fruit 
C. Sticky fruit 
D. Hairy fruit

12. The food substance needed for growth and repair of tissues is 
A. carbohydrate 
B. oil 
C. protein 
D. vitamin

13. The type of teeth used for biting and cutting are the 
A. canines 
B. incisors 
C. molars 
D. premolars

14. Water is absorbed by roots in plants and transported to the leaves through the 
A. chlorophyll 
B. phloem 
C. stomata 
D. xylem

15. The outer ear consists of the 
A. ossicles and eardrum 
B. cochlea and pinna 
C. ossicles and cochlea 
D. pinna and eardrum

16. Changes in pressure in the middle ear is regulated by the 
A. ampullae 
B. cochlea 
C. Eustachian tube 
D. ear drum

17. The amount of light that enters the eye is reduced by the size of the 
A. lens 
B. iris 
C. pupil 
D. retina

18. In humans, features of parents are passed on to offspring through 
A. breastfeeding 
B. reproduction 
C. good training 
D. sharing the same things

19. The taste of water changes when it is boiled because 
A. heat is absorbed during boiling 
B. evaporation takes place during boiling 
C. air is lost during boiling 
D. steam is produced during boiling

20. Arrange the following types of water in order of increasing hardness 
I. Tap water 
II. Sea water 
III. Distilled water 
IV. Rain water 
A. IV, III, II, I 
B. III, IV, I, II 
C. II, I, IV, III 
D. I, II, III, IV

21. Which of these methods is used to separate insoluble solids from liquids? 
A. Distillation 
B. Evaporation 
C. Filtration 
D. Winnowing

22. A uniform mixture of two or more metals is called 
A. an alloy 
B. a compound 
C. a solvent 
D. a suspension

23. Which of the following liquids cannot dissolve an oil paint? 
A. Kerosene 
B. Petrol 
C. Turpentine 
D. Water

24. An atom which contains more electrons than protons becomes a 
A. positive ion 
B. negative ion 
C. neutral atom 
D. binary compound

25. The following substances are mixtures except 
A. air 
B. carbon dioxide 
C. salt solution 
D. smoke

26. The fish is protected from injury by the 
A. fins 
B. gills 
C. operculum 
D. scales

27. Which of the following substances is an air pollutant? 
A. Water vapour 
B. Oxygen 
C. Nitrogen 
D. Hydrogen sulphide

28. Bathing in lakes and slow moving streams can lead to one getting 
A. bilharziasis 
B. cholera 
C. dysentery 
D. river blindness

29. Some plants shed their leaves during the dry season to prevent 
A. water loss 
B. heat loss 
C. catching fire 
D. losing nutrients

30. Caterpillar is an example of 
A. an animal parasite that feeds on plant 
B. a plant parasite that lives on an animal host 
C. an animal parasite that feeds on animal host 
D. a plant parasite that grows on plant host

31. How long does it take the moon to go completely round the earth? 
A. 1 day 
B. 28 days 
C. 30 days 
D. 365 days

32. An unripe orange is said to be acidic because it 
A. has low sugar content 
B. has bitter taste 
C. turns red litmus paper blue 
D. turns blue litmus paper red

33. The chemical symbol of potassium is 
A. K 
B. N 
C. P 
D. S

34. The property of a metal that makes it possible for it to be drawn into a wire is called 
A. conductivity 
B. ductility 
C. malleability 
D. resistivity

35. Which of the following methods of preserving food make use of heat energy? 
I. Drying 
II. Frying 
III. Salting 
IV. Canning 
A. I and II 
B. I and IV 
C. III and IV 
D. I, II and III

36. Weight is an example of 
A. energy 
B. force 
C. work 
D. power

37. Blood is prevented from flowing back into the veins by the 
A. arteries 
B. capillaries 
C. heart 
D. valves

38. The force that binds molecules of the same substance together is called 
A. adhesion 
B. cohesion 
C. capillary action 
D. surface tension

39. Soluble digested food substances enter the blood of the human body by a process called 
A. absorption 
B. egestion 
C. excretion 
D. ingestion

40. Capillary action is applied in the following activities except 
A. blotting an ink with a blotting paper 
B. absorption of water with a towel 
C. rising of water in a very narrow glass tube 
D. sticking of water droplets on the surface of a glass tube
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