BECE Integrated Science Past Questions 2013
37 objective questions · Paper 1 · Ghana BECE
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Question 1
The reason why gaps are left in the joints of railway lines is to allow for
- A. cooling
- B. contraction
- C. expansion
- D. maintenance
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Question 2
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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Question 3
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
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Question 4
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
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Question 5
Which of the following processes can occur at all temperatures?
- A. Boiling
- B. Evaporation
- C. Melting
- D. Sublimation
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Question 6
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
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Question 7
An atom of element X has an atomic number of 13 and a mass number of 27. How many neutrons are in the nucleus of the atom?
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Question 8
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
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Question 9
The best way of protecting oneself from high blood pressure is to
- A. consume alcoholic drinks
- B. eat high carbohydrate diet
- C. engage in smoking
- D. exercise regularly
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Question 10
In the digestive system of ruminants, vitamins are synthesized in the
- A. abomasum
- B. omasum
- C. reticulum
- D. rumen
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Question 11
Water contains two elements, hydrogen and oxygen, in the ratio of
- A. 1:2
- B. 1:3
- C. 2:1
- D. 3:1
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Question 12
Which of the following materials allows electric current to pass through easily?
- A. Aluminium
- B. Carbon
- C. Glass
- D. Water
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Question 13
Fruits which are dispersed by wind are likely to be
- A. dry
- B. hairy
- C. juicy
- D. sticky
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Question 14
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
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Question 15
One characteristic of the image formed in a pin-hole camera is that the image is
- A. diminished
- B. magnified
- C. upright
- D. virtual
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Question 16
Sickle is a farm tool used for
- A. harvesting rice
- B. trimming hedges
- C. transplanting seedlings
- D. watering crops
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Question 17
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 sole of shoes
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Question 18
Typhoid fever is transmitted through
- A. contact with contaminated skin wounds
- B. eating contaminated food
- C. eating uncooked food
- D. drinking treated water
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Question 19
Dehusking and shelling are both activities carried out in the processing of
- A. cowpea
- B. groundnut
- C. maize
- D. sorghum
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Question 20
Which of the following methods of treating water makes it soft?
- A. Addition of alum
- B. Addition of sodium carbonate
- C. Chlorination
- D. Filtration
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Question 21
A place where an organism can live and interbreed successfully is called
- A. community
- B. ecosystem
- C. environment
- D. habitat
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Question 22
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
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Question 23
The physical property of a soil which is determined by the feel method is soil
- A. structure
- B. temperature
- C. texture
- D. water
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Question 24
Which of the following metals will produce a gas when placed in lime juice?
- A. Copper
- B. Lead
- C. Magnesium
- D. Silver
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Question 25
A good thermometer 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
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Question 26
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
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Question 27
A positively charged ion is called
- A. anion
- B. cation
- C. neutron
- D. proton
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Question 28
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
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Question 29
External respiration in living organisms is also known as
- A. aerobic respiration
- B. anaerobic respiration
- C. gaseous respiration
- D. tissue respiration
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Question 30
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
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Question 31
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
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Question 32
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
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Question 33
Leaching of nutrients from the soil leads to soil
- A. acidity
- B. alkalinity
- C. erosion
- D. porosity
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Question 34
Which of the following methods protects pure iron from rusting by coating with zinc?
- A. Alloying
- B. Galvanizing
- C. Greasing
- D. Painting
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Question 35
The part of the flower that contains nectar is called
- A. anther
- B. petal
- C. ovary
- D. sepal
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Question 36
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
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Question 37
The S.I unit of temperature is
- A. Candela
- B. Degree Celsius
- C. Joule
- D. Kelvin
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