2 2018 Regular BECE Integrated Science Paper 1

1. The space occupied by matter is its
A. area
B. mass
C. volume
D. weight

2. Which of the following structures contain cellulose?
A. Cell wall
B. Cell membrane
C. Chloroplast
D. Mitochondrion

3. Which of the following activities are cultural practices used in tomato cultivation?
I. Pest control
II. Pricking out
III. Fertilizer application

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

4. The farming system that makes effective use of available soil nutrients in a growing season is
A. crop rotation
B. land rotation
C. mixed cropping
D. mixed farming

5. Which of the following members in a food chain will receive the least energy?
A. Lizard
B. Grass
C. Grasshopper
D. Hawk

6. Digestion of fats and oils in humans starts in the
A. colon
B. gullet
C. mouth
D. duodenum

7. What is the chemical symbol for silver?
A. Ag
B. Au
C. Si
D. S

8. The process by which gas changes to liquid is known as
A. melting
B. evaporation
C. condensation
D. boiling

9. Which of the following substances is acidic?
A. Wood ash
B. Salt-petre
C. Bee stings
D. Bicarbonate of soda

10. The basic unit of life is the
A. cell
B. nucleus
C. organ
D. tissue

11. Useful materials in food that provide growth and repair of worn out tissues are called
A. carbohydrates
B. vitamins
C. proteins
D. fats

12. In human reproduction, the sperm fertilizes the female egg to form the
A. zygote
B. follicle
C. ovary
D. ovum

Use the information below to answer questions 13 to 15

A solid X reacted with a liquid Y to form a salt and water only. A portion of liquid Y turned blue litmus paper red. Solid X did not dissolve when a portion of it was placed in water and stirred.

13. Solid X could be said to be
A. an acid
B. an alkali
C. a base
D. a salt

14. Liquid Y is
A. an acid
B. an alkali
C. a base
D. a metal

15. If red litmus paper is placed in liquid Y, the colour of the paper will
A. remain the same
B. change to blue
C. change to purple
D. become brighter

16. The type of soil which becomes water-logged after rainfall is made up of a large amount of
A. silt
B. sand
C. gravel
D. clay

17. Ringworm is a disease which attacks the
A. skin
B. lungs
C. liver
D. kidneys

18. The most appropriate practice to adopt when growing vegetables in the dry season is
A. watering
B. transplanting
C. pest control
D. fertilizer application

19. Which of the following organisms improves soil fertility?
A. Caterpillar
B. Millipede
C. Nematode
D. Rat

20. The introduction of natural enemies to control pests on a field is a
A. physical control method
B. cultural control method
C. chemical control method
D. biological control method

21. A body has a density of 30 g cm–3 and volume of 6 cm3. Determine the mass of the body.
A. 180.0 g
B. 24.0 g
C. 5.0 g
D. 0.2 g

22. The force which tends to pull an object in a circular motion towards the centre of the circle is called
A. centripetal force
B. electrostatic force
C. gravitational force
D. magnetic force

23. The swollen shoot disease of cocoa is caused by
A. fungus
B. virus
C. bacteria
D. protozoa

24. The instrument used to measure atmospheric pressure is called
A. a thermometer
B. a force meter
C. a barometer
D. an anemometer

25. The systematic name of NO2 is
A. nitrogen oxide
B. nitrogen (I) oxide
C. nitrogen (II) oxide
D. nitrogen (IV) oxide

26. Which of the following simple machines is a second class lever?
A. Bottle top opener
B. Claw hammer
C. Fishing rod
D. Pair of pliers

27. A cylindrical metal has radius 7 cm and height 2cm. Determine the volume of the cylinder. [Take π = 22/7]
A. 44 cm3
B. 107 cm3
C. 308 cm3
D. 1078 cm3

28. Which of the following statements are true of compounds?
I. They are homogenous
II. Their constituents are present in fixed ratio by mass
III. Their constituents keep their individual properties

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

29. Which of the following factors contribute to early parenthood?
I. Illiteracy
II. Poverty
III. Peer pressure
IV. Lack of parental care

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

30. Which of the following statements about the negative use of Science and Technology is correct? It
A. promotes good health
B. promotes easy communication
C. enable humans to use less energy in working
D. creates things that are dangerous to the environment

31. Which of the following nutrients is needed by plants in small quantities?
A. Calcium
B. Iron
C. Potassium
D. Magnesium

32. Which of the following statements about shadow formation is correct? It shows that light rays can
A. be diffused
B. travel in a straight line
C. be refracted
D. be reflected

33. The colour of the neutral wire in an electrical circuit is
A. blue
B. brown
C. green
D. yellow

34. A metal displaces 5.0 cm3 of water when it is totally immersed. If the mass of the metal is 35.0 g, calculate its density
A. 7.0 g cm–3
B. 30.0 cm–3
C. 40.0 cm–3
D. 175.0 cm–3

35. Which of the following physical properties of water are correct? Water
I. is a colourless liquid
II. is a universal solvent
III. boils at 100°C at standard atmospheric pressure
IV. has a density of 5 kg cm–3 at 4°C

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

36. The relative proportions of the different particle sizes in a soil sample refer to soil
A. temperature
B. texture
C. structure
D. porosity

37. Which of the following chemical equations is balanced?
A. K + O2 → K2O
B. Mg + O2 → MgO
C. Na + Cl2 → NaCl
D. H2 + Cl2 → 2HCl

38. Heat is transferred along an iron bar by
A. absorption
B. conduction
C. convection
D. radiation

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

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