Integrated Science BECE 2013

June 2013
1 hour

1. The S.I unit of temperature is

A. candela
B. degree Celsius
C. joule
D. kelvin

2. Air is an example of

A. gas in gas mixture
B. liquid in liquid mixture
C. solid in liquid mixture
D. solid in solid mixture

3. Which of the following activities are involved in the rearing of tilapia?

I. Feeding of fish
II. Pond stocking
III. Pest control

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

4. The part of the flower that contains nectar is called

A. anther
B. petal
C. ovary
D. sepal

5. Which of the following methods protects pure iron from rusting by coating with zinc?

A. Alloying
B. Galvanizing
C. Greasing
D. Painting

6. Leaching of nutrients from the soil leads to soil

A. acidity
B. alkalinity
C. erosion
D. porosity

7. The hereditary material that is passed on from parents to offspring is known as

A. gene
B. sperm
C. red blood cell
D. white blood cell

8. The solar system is made up of the

A. earth, moon and stars
B. sun, comets and meteors
C. sun, earth and moon
D. sun, planets and other heavenly bodies

9. The type of management system which allows farm animals to roam about freely is known as

A. extensive system
B. intensive system
C. semi-extensive system
D. semi-intensive system

10. External respiration in living organisms is also known as

A. aerobic respiration
B. anaerobic respiration
C. gaseous respiration
D. tissue respiration

11. A rigid bar which is capable of turning about a fixed point is a / an

A. inclined plane
B. lever
C. screw
D. wheel and axle

12. A positively charged ion is called

A. anion
B. cation
C. neutron
D. proton

13. One way of ensuring that organisms are not endangered is to

A. allow them to be hunted
B. allow their predators to outnumber them
C. protect their habitats
D. pollute their habitats

14. A good thermometric liquid must

A. be colourless
B. boil at 100°C and freeze at 0°C
C. cling to the walls of the glass
D. expand evenly and regularly

15. Which of the following metals will produce a gas when placed in lime juice?

A. Copper
B. Lead
C. Magnesium
D. Silver

16. The physical property of a soil which is determined by the feel method is soil

A. structure
B. temperature
C. texture
D. water

17. The reason why gaps are left in the joints of railway lines is to allow for

A. cooling
B. contraction
C. expansion
D. maintenance

18. Which of the following effects are caused by rusting?

I. Loss of strength
II. Loss of structure
III. Loss of electrical conductivity

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

19. Leguminous crops may often be cultivated to add

A. carbon to the soil
B. nitrogen to the soil
C. protein to the soil
D. potassium to the soil

20. A place where an organism can live and interbreed successfully is called

A. community
B. ecosystem
C. environment
D. habitat

21. Which of the following methods of treating water makes it soft?

A. Addition of alum
B. Addition of sodium carbonate
C. Chlorination
D. Filtration

22. Dehusking and shelling are both activities carried out in the processing of

A. cowpea
B. groundnut
C. maize
D. sorghum

23. Typhoid fever is transmitted through

A. contact with contaminated skin wounds
B. eating contaminated food
C. eating uncooked food
D. drinking treated water

24. One advantage of friction is that it

A. enables cutting tools to be sharpened
B. increases the efficiency of machines
C. produces a lot of heat in machines
D. wears off the soles of shoes

25. Sickle is a farm tool used for

A. harvesting rice
B. trimming hedges
C. transplanting seedlings
D. watering crops

26. One characteristic of the image formed in a pin-hole camera is that the image is

A. diminished
B. magnified
C. upright
D. virtual

27. Transplanting of seedlings is usually done in the evening because

A. darkness promotes rapid growth
B. pest attack is minimal
C. transpiration is minimal
D. seedlings require less nutrients

28. Which of the following statements about molecules is/ are correct? Molecules

I. are chemically combined group of atoms
II. are physically combined group of atoms
III. can exist on their own

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

29. Fruits which are dispersed by wind are likely to be

A. dry
B. hairy
C. juicy
D. sticky

30. Which of the following materials allows electric current to pass through easily?

A. Aluminium
B. Carbon
C. Glass
D. Water

31. Water contains two elements, hydrogen and oxygen, in the ratio of

A. 1:2
B. 1:3
C. 2:1
D. 3:1

32. In the digestive system of ruminants, vitamins are synthesized in the

A. abomasum
B. omasum
C. reticulum
D. rumen

33. The best way of protecting oneself from high blood pressure is to

A. consume alcoholic drinks
B. eat high carbohydrate diets
C. engage in smoking
D. exercise regularly

34. The property of metals which makes them to be easily drawn into thin wires is known as

A. conductivity
B. ductility
C. malleability
D. resistivity

35. An atom of an element is represented as X 2713 .
How many neutrons are in the nucleus of the atom?

A. 13
B. 14
C. 27
D. 40

36. Viable seeds are ones that

A. are able to germinate under suitable conditions
B. are eaten by animals after planting
C. contain a lot of oil
D. have hard seed coat

37. Which of the following processes can occur at all temperatures?

A. Boiling
B. Evaporation
C. Melting
D. Sublimation

38. Which of the following human activities maintains the carbon cycle?

A. Bush burning
B. Felling of trees
C. Release of fumes from factories
D. Replanting of trees felled as timber

39. The farming system which involves the growing of one type of crop on the same piece of land every season is known as

A. mixed cropping
B. mixed farming
C. monocropping
D. monoculture

40. The presence of chlorophyll in green plants is a necessary condition for photosynthesis because it

A. absorbs oxygen
B. absorbs solar energy
C. produces carbon dioxide
D. produces water vapour

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