BECE 2013 Integrated Science Past Question Paper One

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 . 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

End Of Paper

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