2023 BECE candidates should prove that they are ready to write the 2023 external examinations by solving the following well-analysed questions. The Integrated Science paper will be written on Tuesday, 8th August, 2023. It will be the third paper after English Language and Religious and Moral Education..
Below are some questions that must be solved by each 2023 BECE candidate. Solving these questions is a way of proving to yourself that you are ready for the exams.
1. An aluminium cube with side measuring 2m has amass of 24 kg. Calculate the density of the aluminium.
A. 48 kgm-3
B. 24 kgm-3
C. 12 kgm-3
D. 3 kgm-3
2. The force that opposes the motion of an object on an other object is called
A. electrical force
B. frictional force
C. gravitational force
D.magnetic force
3. Water is prevented from passing through the tiny holes in a numbrellaby
A. diffusion
B. frictional force
C. capillarity
D. surface tension
4. Which of the following methods of preserving food makes use of heat energy from the sun?
A. Drying
B. Frying
C. Salting
D. Refrigeration
5. Which of the following properties is true about all matter? Matter has
A. volume and fixed shape
B. volume and mass
C. mass and indefinite volume
D. density and fixed shape
6. The type of energy obtained when an electric bulb is connected to a battery is
A.chemical energy
B. Electrical energy
C.light energy
D.magnetic energy
7. A magnet can attract all these substances except
A. Drawing pins
B. Glass
C. Steel
D. Iron nails
8. The process by which heat travels along a metal is called
A. convection
B. conduction
C. expansion
D. radiation
9. The instrument used to measure temperature is the
A. ammeter
B. barometer
C. manometer
D. thermometer
10. A stick placed in water appears to be bent because light traveling from the water to the air is
A. dispersed
B. displaced
C. refracted
D. reflected
11. A plane mirror could be described as opaque because it
A. reflects all the light incident on it
B. absorbs all the light incident on it
C. allows all the light incident on it to pass through it
D. allows some of the light incident on it to pass through it and absorbs the rest
12. A suitable machine for loading drums of palm oil onto a truck is
A. a screw
B. a crowbar
C.a wheel barrow
D. an inclined plane
13. The human forearm is an example of
A. a first class lever
B. a second class lever
C. a third class lever
D. both first and third class levers
14. The chemical substances which help in the digestion of food are known as
A. enzymes
B. hormones
C. plasma
D. vitamins
15. Digestion of proteins starts from the
A. duodenum
B. ileum
C. mouth
D. stomach
16. A reflex action involves the
A. brain and nerves
B. bones and nerves
C. brain and muscles
D. spinal cord and nerves
17. Which of the following structures is not part of the central nervous system?
A. Brain
B. Spinal cord
C. Nerves
D. Veins
18. When the testa of a soaked bean is removed, the seed is seen to be made up of
A. cotyledons
B. embryos
C. micropyles
D. radicles
19. One function of the root system of plants is to
A. excrete carbon dioxide
B. store waste materials
C. hold the plant firmly in the ground
D. prepare food for the plant
20. Which of the following diseases is caused by a virus?
A. Cholera
B. Cerebro-Spinal Meningitis (CSM) C. Malaria
D. Tuberculosis (TB)
21. The different types of teeth that an animal has gives an indication of the nature of its
A. digestion
B. environment
C. feeding
D. reproduction
22. Exchange of gases takes place in the respiratory system through the
A. bronchi
B. lungs
C. nostrils
D. trachea
23. Water that requires more soap in order to form lather is described as
A. clean
B. hard
C. pure
D. soft
24. One best way of making water safe for drinking is by
A. adding washing soda
B. filtering
C. adding common salt
D. boiling
25. The process where by a hot saturated solution is cooled to obtain the soluteis called
A. condensation
B. crystallization
C. distillation
D. evaporation
More BECE candidates to fail if 2023 marking scheme is changed – Prof
26. If a mixture of water and powdered charcoal is allowed to stand for along time, the charcoal
A. rises to the top
B. settles at the bottom
C. dissolves completely in the water
D. continues to remain suspended in the water
27. The chemical symbol of potassium is
A. Na
B. K
C. Pb
D. S
28. The atom of an element is represented as . How many electrons are in the atom?
A. 52 B. 35 C. 18 D. 17
29. Which of the following agricultural practices prevents loss of water from the soil?
A. Addition of manure
B. Mulching
C. Addition of humus
D. Composting
30. Soil conservation is important because it prevents loss of
A. carbon dioxide B. oxygen C. minerals D. humus
31. Foot rot disease in animals is caused by
A. bacteria
B. fungi
C. protozoa
D. viruses
32. A patient with symptoms of diarrhoea and vomiting may be suffering from
A. cholera
B. dysentery
C. influenza
D. tuberculosis
33. Which of the following human activities pollutes the environment?
I. Release of cement dust into the atmosphere
II. Dumping of refuse into water bodies
III. Burning of rubbish
A. I and II only B. II and III only C. I and III only D. I,II and III
34. Which of the following features of a parent would not be in herited by the children?
A. Colour of eye
B. Shape of nose
C. Height
D. Scar
35. Which of the following bodies is at the centre of the solar system?
A. Earth
B. Mars
C. Moon
D. Sun
36. The chemicals used in the preparation of ammonia in the laboratory are
A. ammonium chloride and calcium hydroxide
B. ammonium nitrate and sodium chloride
C. ammonium sulphate and calcium chloride
D. ammonium sulphate and sodium chloride
37. Steel is an alloy of
A. iron and carbon
B. zinc and copper
C. iron and zinc
D. brass and zinc
38. The property of a metal that makes it possible for it to be beaten into different shapes is called
A. conductivity
B. ductility
C. malleability
D. resistivity
39. Movement of the particles of a gas from a region of higher concentration to a region of lower concentration is known as
A. capillarity
B. diffusion
C. osmosis
D. viscosity
40. Oxygen in the blood finally reaches the parts of the body through the
A. arteries
B. alveoli
C. capillaries
D. veins
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SOLUTION
1. D. 3 kgm-3
2. B. frictional force
3. D. surface tension
4. A. Drying
5. B. volume and mass.
6. C. light energy
7. B. glass
8. B. conduction
9. D. thermometer
10. C. refracted
11. A. reflects all the light incident on it
12. D. an inclined plane
13. C. a third class lever
14. A. enzymes
15. D. stomach
16. D. spinal cord and nerves
17. D. Veins
18. A. cotyledons
19. C. hold the plant firmly in the ground
20. B. Cerebro-Spinal Meningitis (CSM)
21. C. feeding
22. B. lungs
23. B. hard
24. D. boiling
25. B.crystallization
26.B.settles at the bottom
27. B. K
28. D. 17
29. B. Mulching
30. C. minerals
31. B. fungi
32. A. cholera
33. D. I,II and III
34. D. Scar
35. D. Sun
36. A .ammonium chloride and calcium hydroxide
37. A.iron and carbon
38. C.malleability
39.B.diffusion
40. C.capillaries