Integrated Science BECE 1998

August 1998
SCIENCE
SECTION A
OBJECTIVE TEST
45 minutes

1. Which of the following processes could be used to preserve fish for a long time?
A. Boiling only
B. Salting only
C. Sun drying only
D. Boiling and sun drying
E. Salting and sun drying

2. One hectare is equivalent to
A. 100 m2
B. 1,000 m2
C. 10,000 m2
D. 100,000 m2
E. 1,000,000 m2

3. Which of the following causes ringworm?
A. Bacteria
B. Fungi
C. Protozoa
D. Ticks
E. Viruses

4. The central nervous system is made up of the
A. Brain only
B. Spinal cord only
C. Brain and sense organs
D. Brain and spinal cord
E. Spinal cord and sense organs

5. An object weighing 60 N is dragged through a distance of 2 m. Calculate the work done
A. 6 J
B. 15 J
C. 30 J
D. 120 J
E. 1200 J

6. Which of the following substances is necessary for the formation of food in plants?
A. Carbon dioxide
B. Nitrogen
C. Oxygen
D. Starch
E. Sugar

7. How many times is the sun overhead at the equator within a year?
A. 1
B. 2
C. 3
D. 4
E. 5

8. Which of the following takes the shape of its container?
A. Chalk
B. Charcoal
C. Paper
D. Petrol
E. Stone

9. A group of stars form
A. The universe
B. The atmosphere
C. The solar system
D. The planetary system
E. A galaxy

10. Which of the following types of soil is good for plant growth?
A. Clay
B. Course sand
C. Fine sand
D. Loam
E. Silt

11. The equation Carbon (IV) oxide + water → Glucose + Oxygen, represents
A. Breathing
B. Diffusion
C. Photosynthesis
D. Respiration
E. Transpiration

12. Which of the following pairs of diseases are both contracted through water?
A. Cholera and dysentery
B. Smallpox and dysentery
C. Ringworm and smallpox
D. Tuberculosis and cholera
E. Tuberculosis and dysentery

13. The efficiency of a machine is usually less than one due to
A. friction
B. greasing
C. heat
D. the load used
E. the effort applied

14. Which of the following pairs of organisms are decomposers?
A. Animals and bacteria
B. Animals and fungi
C. Bacteria and plants
D. Bacteria and fungi
E. Plants and fungi

15. A mixture of engine oil and water could be best separated by
A. Evaporation
B. Freezing
C. Decantation
D. Heating
E. Addition of soap

16. Which of the following plants is propagated vegetatively?
A. apple
B. coconut
C. pawpaw
D. pear
E. sweet potato

17. Which of the following diseases is transmitted by close contact with an infected person?
A. AIDS
B. Bilharzia
C. Elephantiasis
D. Measles
E. Polio

18. The breakdown of rocks into smaller particles is known as
A. decomposition
B. erosion
C. ploughing
D. terracing
E. weathering

19. Which of the following energy changes takes place when a church bell is tolled?
A. Chemical energy is changed to sound energy
B. Kinetic energy is changed to sound energy
C. Potential energy is changed to sound energy
D. Potential energy is changed to kinetic energy
E. Thermal energy is changed to sound energy

20. The dodder on milk bush is an example of
A. a plant parasite on animal host
B. a plant parasite on plant host
C. an animal parasite and a plant parasite
D. an animal parasite on an animal host
E. an animal parasite on a plant host

21. Which of the following features is shown by plants only?
A. Feeding
B. Growth
C. Transpiration
D. Reproduction
E. Respiration

22. The structure of the skin that removes waste substances is the
A. fat deposit
B. hair
C. sweat duct
D. sweat gland
E. sweat pore

23. Which of the following statements about light is true?
A. Light is reflected from polished surfaces
B. Light travels through opaque objects
C. Light passes through plane mirrors
D. The angle of incidence is between the normal and the reflected ray
E. The speed of light is less than that of sound

24. The efficiency of a machine is given by the ratio
A. load/effort
B. momentum / velocity
C. distance moved by effort / distance moved by load
D. work input / work output
E. mechanical advantage / velocity ratio

25. About 55% of blood is made up of the plasma while the remaining 45% is made up of
A. Cells
B. Dissolved food substances
C. Dissolved gases
D. Liquid
E. Salt

26. Which of the following is a structure in the ear?
A. Cornea
B. Cochlea
C. Iris
D. Retina
E. Trachea

27. Brass is an alloy made up of
A. Aluminium and zinc
B. Copper and tin
C. Copper and zinc
D. Iron and carbon
E. Steel and tin

28. Which of the following controls the amount of light that enters the eyes?
A. The cornea
B. The iris
C. The lens
D. The pupil
E. The retina

29. A body which moves round the earth is called
A. A meteorite
B. A satellite
C. A star
D. Jupiter
E. The sun

30. Which of the following processes should be carried out first when separating a mixture of sand and common salt?
A. crystallization of the salt
B. dissolution of the salt
C. distillation of the solvent
D. filtration of the mixture
E. sublimation of the solute

31. A temperature controlling device which works using the principles of expansion and contraction is called a ……….
A. conductor
B. fuse
C. manometer
D. thermometer
E. thermostat

32. Kerosene and petrol are obtained from crude oil by
A. condensation of the crude oil
B. decantation of the crude oil
C. distillation of the crude oil
D. evaporation of the crude oil
E. filtration of the crude oil

33. The fusion of the male and female gametes is known as:
A. copulation
B. evolution
C. fertilization
D. ovulation
E. reproduction

34. Calculate the voltage across a wire of resistance 4 ohms if 3 amperes of current is passed through it.
A. 0.75 V
B. 1.00 V
C. 1.33 V
D. 7.00 V
E. 12.00 V

35. Which of the following flower parts develops into a seed? The
A. ovule
B. pollen grain
C. stamen
D. stigma
E. style

36. The ability of an organism to resist infection by producing antibodies is known as
A. diagnosis
B. immunity
C. incubation
D. inoculation
E. vaccination

37. The part of cocoyam which is used in propagation is the
A. bulb
B. corm
C. seed
D. sucker
E. rhizome

38. Which of the following diseases affects the lungs?
A. Cholera
B. Measles
C. Tetanus
D. Tuberculosis
E. Typhoid

39. Gaseous exchange between air and blood in the lungs takes place in the
A. alveoli
B. bronchi
C. bronchioles
D. larynx
E. trachea

40. The stretched arm of a JSS student holding a stone in the palm is an example of a
A. First class lever
B. Second class lever
C. Third class lever
D. Fourth class lever
E. Fifth class lever