BECE Past Questions & Answers – 2008 (SCIENCE)

SCIENCE1

OBJECTIVE TEST
45minutes

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 samethings

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. Seawater
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 ofthe 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 potassiumis
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 glasstube




CLICK TO VIEW ANSWERS TO OBJECTIVES
April 2008

SCIENCE 1

SOLUTIONS

OBJECTIVE TEST

1. C. length of a table

2. C. radiation

3. C. reflection

4. C. Mechanical to sound

5. C. prevent current from increasing

6. D. Iron

7. C. II and III only

8. C. It travels in a straight line

9. A. free electrons

10. B. B

11. D. Hairy fruit

12. C. protein

13. B. incisors

14. D. xylem

15. D. pinna and eardrum

16. C. Eustachian tube

17. C. pupil

18. B. reproduction

19. C. air is lost during boiling

20. B. III,IV,I,II

21.
C.
Filtration

22.
A.
an alloy

23.
D.
Water

24.
B.
negative ion

25.
B.
carbon dioxide

26.
D.
scales

27.
D.
Hydrogen sulphide

28.
A.
bilharziasis

29.
A.
water loss

30.
A.
an animal parasite that feeds on plant

31.
B.
28 days

32.
D.
turns blue litmus paper red

33.
A.
K

34.
B.
ductility

35.
A.
I and II

36.
B.
force

37.
D.
valves

38.
B.
cohesion

39.
A.
absorption

40.
D.
sticking of water droplets on the surface of a glass tube