2022 BECE Super Final Integrated Science Revision (Practicals & More)

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 (Practicals and Sec. B). Attempt every one of them. Note that this is not in any way a leaked paper.

2022 BECE Super Final Integrated Science Revision (Practicals & More)

INTEGRATED SCIENCE 2 – ESSAY – 1 1⁄4 hours

This paper is in two sections: A and B. Answer Question 1 in section A and any other four questions in section B

Credit will be given for clarity of expression and orderly presentation of material.

SECTION A
[40 marks]
Answer all of Question 1

1. (a) In an experiment, a magnet was dragged over the surface of an iron bar from C to D several times as shown in the diagram.
Study the diagram and use it to answer the questions that follow.

(i) State the aim of the experiment. [2 marks]

(ii) State the type of method used in the experiment.[1 mark]
(iii) State the polarity of the end of the magnet used in the process, if the ends C and D of the bar become a north pole and a south pole respectively.[1 mark]

(iv) How would you test that the bar CD is a magnet? [3 marks]

(v) State one precaution that should be taken during the experiment [1 mark]
(vi) Name two methods that could be used for this process other than the one stated in (ii). [2 marks]

(b) The diagram below is an illustration of a habitat.

Study the diagram carefully and answer the questions that follow.

(i) Name the habitat. [1 mark]
(ii) What term is used to describe the interacting organisms in the habitat? [1 mark]

(iii) What term is used to describe the interaction between the organisms and the environment? [1 mark]

(iv) Name each of the organisms labeled I, II, III and IV.
I ……………………………………………………………………..
II ……………………………………………………………………..
III ……………………………………………………………………..
IV ……………………………………………………………………..
[4 marks]
(v) In what way do the organisms labeled II and IV depend on each other?
……………………………………………………………………………….
……………………………………………………………………………….
[1 mark]
(vi) Name a disease which is associated with the organism labeled III.

……………………………………………………………………………….
[1 mark]

2022 BECE Super Final Revision for Integrated Science (Practicals and Sec. B)

Study them carefully and answer the questions that follow.

(i) Name each of the parts labeled I, II, III and IV.
I………………………………………………………………….
II…………………………………………………………………
III………………………………………………………………..
IV………………………………………………………………. [4 marks]

(ii) If the set up is left for three days, state what would happen to the lime water in each of the diagrams A and B.
A…………………………………………………………………………….
B…………………………………………………………………………….
[2 marks]

(iii) What is the function of the part labeled III?

……………………………………………………………………………….
……………………………………………………………………………….
[1 mark]

(iv) Give one reason each for the answers given in (ii).
A ………………………………………………………………………….
………………………………………………………………………….
B ………………………………………………………………………….
………………………………………………………………………….
[4 marks]

(v) What soil component was studied in the experiment?

……………………………………………………………………………….

[1 mark]
(d) The diagrams below are illustrations of different laboratory set-ups used in the separation of mixtures.
Study the diagrams carefully and answer the questions that follow.

(i) Name each of the parts labeled I, II, III and IV.
I…………………………………………………………………………….
II…………………………………………………………………………….
III…………………………………………………………………………….
IV…………………………………………………………………………….[4 marks]

(ii) Name the separation method illustrated by each of the diagrams.
A…………………………………………………………………………….
B…………………………………………………………………………….
C…………………………………………………………………………….
[3 marks]

(iii) Which of the set-ups could be used to separate water from kerosene-water mixture?

………………………………………………………………………………. [1 mark]
(iv) Which of the set-ups could be used to obtain clear water from muddy water?

……………………………………………………………………………….
……………………………………………………………………………….
[1 mark]

SECTION B
[60 marks]

Answer four questions only from this section

2. (a) Name the particle(s) found in the:
(i) nucleus of the atom;
……………………………………………………………………………………
……………………………………………………………………………………
(ii) shell of the atom.

……………………………………………………………………………………
……………………………………………………………………………………
[3 marks]

(b) (i) Give two reasons why clotting of blood is important.

……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
[2 marks]

2022 BECE Super Final Revision for Integrated Science (Practicals and Sec. B)

(ii) State two modes of transmission of influenza disease.

(c) A cube of sugar has a mass of 30 g and occupies an area of 4 cm2 with a height of 2 cm. Calculate the density of the sugar.

……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
[4 marks]

(d) (i) What is a crop pest?

……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
[2 marks]
(ii) Give one example each of the following methods of controlling pests on a crop farm;
(α) cultural method;
………………………………………………………………………………
[1 mark]

(β) biological method.
………………………………………………………………………………
[1 mark]

3. (a) (i) State two of the farming systems.

………………………………………………………………………………………
………………………………………………………………………………………
………………………………………………………………………………………

(ii) State three factors that bring about the difference in the farming systems in crop production.

………………………………………………………………………………………
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………………………………………………………………………………………
………………………………………………………………………………………

[5 marks]
(b) Explain briefly why worn-out vehicle tyres should not be used on the vehicles.

………………………………………………………………………………………
………………………………………………………………………………………
………………………………………………………………………………………
[3 marks]

2022 BECE Super Final Integrated Science Revision (Practicals & More)

………………………………………………………………………………………
………………………………………………………………………………………
………………………………………………………………………………………
(ii) Name the organ used to propagate each of the following plants vegetatively:
(α) Onions;

………………………………………………………………………………
(β) Cocoyam.
………………………………………………………………………………
[4 marks]
(d) Draw the electron configuration for calcium atom showing the distribution of the
electrons in its shell. [Ca = 20]

[3 marks]

4. (a) (i) State the two characteristics of transistors.

………………………………………………………………………………
………………………………………………………………………………

………………………………………………………………………………
(ii) State two uses of transistors.
………………………………………………………………………………
………………………………………………………………………………
[4 marks]

(b) (i) State two sources of organic matter in soil.

………………………………………………………………………………
………………………………………………………………………………
(ii) State two ways by which organic matter in soil can be maintained.
………………………………………………………………………………
………………………………………………………………………………
[4 marks]
(c) (i) Name the components of an atom which determine each of the following quantities:
(α) mass of an atom;
…………………………………………………………….
(β) charge of an atom;

…………………………………………………………..
(ii) why is an atom electrically neutral?

………………………………………………………………………………
………………………………………………………………………………
[3 marks]

(d) (i) State two functions of water in the body.

………………………………………………………………………………
………………………………………………………………………………
(ii) write the word equation for aerobic respiration.

………………………………………………………………………………
………………………………………………………………………………
[4 marks]

5. (a) (i) Explain briefly what is meant by the term science.

……………………………………………………………………………………
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……………………………………………………………………………………
[3 marks]

(ii) Give two reasons why integrated science should be studied.

……………………………………………………………………………………
……………………………………………………………………………………
[2 marks]

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(b) (i) What is staking?
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
[2 marks]
(ii) State two precautions to be taken when selecting staking materials.
……………………………………………………………………………………
……………………………………………………………………………………
[2 marks]
(c) (i) State two ways in which photosynthesis is important to plants and animals
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
……………………………………………………………………………………
[2 marks]

(ii) State one chemical method of controlling mosquitoes.

……………………………………………………………………………………
[1 mark]

(d) An atom of an element has an atomic number of 10 and a mass number of 20.
Determine the number of :
(i) protons;

……………………………………………………………………………………

(ii) electrons;

……………………………………………………………………………………
(iii) neutrons.

……………………………………………………………………………………
[3 marks]

6. (a) (i) Explain the term electric current.

………………………………………………………………………………………
………………………………………………………………………………………
(ii) Name the instrument used to measure electric current.

………………………………………………………………………………………
………………………………………………………………………………………
(iii) State the SI unit of electric current.

………………………………………………………………………………………
………………………………………………………………………………………
[4 marks]

(b) (i) State three ways in which pruning is important.

(ii) State one way in which soil water is important to plants.

………………………………………………………………………………………
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………………………………………………………………………………………
………………………………………………………………………………………
………………………………………………………………………………………
………………………………………………………………………………………
………………………………………………………………………………………
[4 marks]

(d) Tabulate three differences between photosynthesis and respiration.

[3 marks]

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)

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

2022 BECE Super Final Integrated Science Revision (Objective Test)

16. 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
17. Which of the organisms is the producer?
A. Seed
B. Fowl
C. Python
D. Human
18. 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)

21. Nitrogen deficiency in the soil causes
A. fruit drop
B. yellowing of leaves
C. poor seed formation
D. purple colouration of leaves
22. 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
23. The farming system that helps to maintain soil fertility is
A. Crop rotation
B. Monocropping
C. Monoculture
D. Pastoral farming
24. Materials which are lustrous, malleable and ductile are generally referred to as
A. semi-conductors
B. semi-metals
C. non-metals
D. metals
25. 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

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2022 BECE Super Final Integrated Science Revision (Objective Test)

31. The standard unit of length is the
A. centimetre
B. decimetre
C. metre
D. millimetre
32. 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

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38. The process whereby soil is formed by the breakdown of rocks is called
A. Weathering
B. Leaching
C. Erosion
D. Composting
39. The use of mechanical harvesters is impossible when practising
A. mixed farming
B. crop rotation
C. mixed cropping
D. land rotation
40. 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%