2022 BECE Super Final Integrated Science Revision (Objective Test)

Now that all is set for the start of the BECE, challenge yourself and solve these questions we termed 2022 BECE Super Final Revision for Integrated Science (Objective Test). Attempt every one of them. Note that this is not in any way a leaked paper.

INTEGRATED SCIENCE 1 – OBJECTIVE TEST – 45 minutes
Answer all the questions – Do all rough work on this question paper

1. Which of the following substances are not raw materials for photosynthesis?
   I. Chlorophyll
   II. Carbon (IV) oxide
   III. Water
   IV. Oxygen
   A. I and IV only
   B. I and III only
   C. II and IV only
   D. I, II and IV only
2. Which of the following characteristics form the basis for describing a soil profile?
   I. Depth
   II. Moisture content
   III. Porosity
   A. I and II only
   B. I and III only
   C. II and III only
   D. I, II and III
3. Which of the following statements about the n-p-n transistor is/are correct?
   I. Emitter is n-type
   II. Collector is p-type
   III. Base is p-type
   A. I only
   B. II only
   C. I and II only
   D. I and III only
4. The process used in separating tea from tea leaves is
   A. distillation
   B. evaporation
   C. filtration

D. magnetization
5. A body has density of 30 g cm–3 and volume of 6 cm3

. Determine the mass of the body.

A. 5 kg
B. 24 kg
C. 36 kg
D. 180 kg
6. What happens during the eclipse of the moon? The
A. moon comes between the earth and the sun
B. earth comes between the moon and the sun
C. sun comes between the moon and the earth
D. sun moves round the earth
7. The chemical formula for nitrogen (IV) oxide is NxOy. The values of x and y are
respectively
A. 1 and 2
B. 1 and 3
C. 2 and 1
D. 2 and 3
8. One of the characteristics of wind pollinated flowers is that they
A. Are large and conspicuous
B. Are usually scented
C. Have nectar
D. Have feathery stigma
9. An atom has mass number 27 and atomic number 13. What is the neutron number?
A. 40
B. 27
C. 14
D. 13
10. Smoke is an example of
A. solid – solid mixture
B. solid – gas mixture
C. gas – gas mixture
D. gas – liquid mixture
11. Oxygen gas is represented by the chemical symbol O2. This symbol represents two
A. ions of oxygen
B. atoms of oxygen
C. elements of oxygen
D. molecules of oxygen

2022 BECE Super Final Integrated Science Revision (Objective Test)

1. Which of the following scientific principles is used in kenkey production?
   A. Crystallization
   B. Evaporation
   C. Fermentation
   D. Saponification
2. Which of the following processes can occur at all temperatures?
   A. Boiling
   B. Evaporation
   C. Melting
   D. Sublimation
3. The basic unit of matter is the
   A. atom
   B. proton
   C. element
   D. compound
4. The chemical symbol for sodium is
   A. C
   B. S
   C. Na
   D. Mg

2022 BECE Super Final Integrated Science Revision (Objective Test)

1. Which of the following diseases affects both cattle and humans?
   A. Typhoid
   B. Buruli ulcer
   C. Tuberculosis
   D. African swine fever
   Use the information on the simple feeding relationship below to answer questions 17 to
   19
   Seed → fowl → python → human
2. Which of the organisms is the producer?
   A. Seed
   B. Fowl
   C. Python
   D. Human
3. The primary consumer is
   A. seed
   B. fowl
   C. human

D. python
19. Which of the organisms receives the most energy?
A. Fowl
B. Seed
C. Human
D. Python
20. A farming system which involves the growing of rice and the rearing of fowls is known as
A. crop rotation
B. mixed farming
C. mixed cropping
D. organic farming

2022 BECE Super Final Integrated Science Revision (Objective Test)

1. Nitrogen deficiency in the soil causes
   A. fruit drop
   B. yellowing of leaves
   C. poor seed formation
   D. purple colouration of leaves
2. When a solvent is added to a solute, the product is a
   I. solution
   II. mixture
   III. compound
   A. I only
   B. I and II only
   C. II and III only
   D. I, II and III
3. The farming system that helps to maintain soil fertility is
   A. Crop rotation
   B. Monocropping
   C. Monoculture
   D. Pastoral farming
4. Materials which are lustrous, malleable and ductile are generally referred to as
   A. semi-conductors
   B. semi-metals
   C. non-metals
   D. metals
5. How many different types of teeth do adult humans have?
   A. 4

B. 3
C. 2
D. 1
26. Hand trowel is used in farming to
A. remove weeds
B. level soil surface
C. transplant seedlings
D. turn manure during compost-making
27. The image produced in a pinhole camera is
I. erect
II. inverted
III. diminished
A. I only
B. II only
C. I and III only
D. II and III only
28. Seasonal changes are the result of the
A. Changing positions of earth relative to the sun
B. Reflection of light by the earth
C. Radiation of heat by the moon
D. Rotation of the earth
29. Low soil temperature results in the
A. decrease of metabolic activities
B. increase of metabolic activities
C. increase of air content
D. promotion of root growth
30. The main difference between sandy soil and clayey soil is their
A. colour
B. humus content
C. texture
D. structure

READ: BECE 2022 Examination Candidates Should Read This Before Tomorrow

2022 BECE Super Final Integrated Science Revision (Objective Test)

1. The standard unit of length is the
   A. centimetre
   B. decimetre
   C. metre
   D. millimetre
2. An example of gas-gas mixture is

A. air
B. an alloy
C. fanta
D. smoke
33. The process by which heat is transferred from the bottom to the top of a beaker of water
during heating is
A. Absorption
B. Conduction
C. Convection
D. Radiation
34. In which of the following areas do science and technology affect society?
I. Communication
II. Health
III. Education
A. I only
B. I and II only
C. II and III only
D. I, II and III
35. Which of the following activities involves evaporation?
A. Preparation of soap
B. Preparation of starch
C. Separation of salt from salt solution
D. Tapping of palm wine
36. Which of the following substances is a mixture?
A. Silver
B. Gold
C. Air
D. Hydrogen
37. Which of the following process(es) do(es) not result in the formation of a new
compound?
I. Burning of charcoal
II. Cooking of an egg
III. Freezing of water
IV. Rusting of iron
A. I, II and IV only
B. III and IV only
C. III only
D. IV only

1. The process whereby soil is formed by the breakdown of rocks is called
   A. Weathering
   B. Leaching
   C. Erosion
   D. Composting
2. The use of mechanical harvesters is impossible when practising
   A. mixed farming
   B. crop rotation
   C. mixed cropping
   D. land rotation
3. The work input of a simple machine is 200 J. If the work output is 160 J, determine the
   efficiency of
   A. 20%
   B. 40%
   C. 80%
   D. 120%

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