WASSCE past question

Integrated Science 2022

Integrated Science Paper 1

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1. [1]

WASSCE 2022 · Paper 1

Which of the following statements about resistors connected in parallel is correct? The total resistance is
2. [1]

WASSCE 2022 · Paper 1

The pigment in the skin responsible for skin colouration is
3. [1]

WASSCE 2022 · Paper 1

Which of the following alloys contain copper? I. Brass II. Bronze III. Duralumin
4. [1]

WASSCE 2022 · Paper 1

A body has a weight of 720 N. Calculate the mass of the body [g = 10 ms-2]
5. [1]

WASSCE 2022 · Paper 1

The burdizzo is purposely used for
6. [1]

WASSCE 2022 · Paper 1

An electrical component that is used to vary electric current is the
7. [1]

WASSCE 2022 · Paper 1

An example of fungal disease of stored grains is
8. [1]

WASSCE 2022 · Paper 1

Aluminium is used for making high tension cables because it is I. light. II. highly conducting. III. brittle.
9. [1]

WASSCE 2022 · Paper 1

Which of the following forces is mainly reduced when a lubricant is applied to the moving parts of an engine?
10. [1]

WASSCE 2022 · Paper 1

An instrument that could be used to measure the relative density of an acid is
11. [1]

WASSCE 2022 · Paper 1

The potential difference across the terminals of a resistor is 24 V. Determine the current which will flow through the resistor with resistance 15 Ω.
12. [1]

WASSCE 2022 · Paper 1

The component of air used for welding is
13. [1]

WASSCE 2022 · Paper 1

In a step-down transformer,
14. [1]

WASSCE 2022 · Paper 1

One function of water in the germination of seeds is that it
15. [1]

WASSCE 2022 · Paper 1

An important function of organic matter in the soil is to
16. [1]

WASSCE 2022 · Paper 1

A car of mass 1600 kg moves with a velocity of 80 ms-1. Determine the momentum of the car.
17. [1]

WASSCE 2022 · Paper 1

The gas in the stratosphere that absorbs ultraviolet rays to minimize the heat reaching the earth's surface is
18. [1]

WASSCE 2022 · Paper 1

A mating ratio of 1 : 50 in goat breeding means that 800 females could be serviced by
19. [1]

WASSCE 2022 · Paper 1

Which of the following substances contribute(s) to the depletion of the ozone layer? I. Carbon (II) oxide II. Chlorofluorocarbon III. Carbon (IV) oxide
20. [1]

WASSCE 2022 · Paper 1

The gas used in the welding torch belongs to the family of
21. [1]

WASSCE 2022 · Paper 1

Which of the following metals is a liquid at room temperature?
22. [1]

WASSCE 2022 · Paper 1

The essential parts of a flower are the
23. [1]

WASSCE 2022 · Paper 1

The blood vessel that carries oxygenated blood to the heart is
24. [1]

WASSCE 2022 · Paper 1

Addition of an atom of a pentavalent element to a tetravalent element I. is known as doping. II. forms an n-type semiconductor. III. forms a p-type semiconductor.
25. [1]

WASSCE 2022 · Paper 1

Which of the following structures in plants prevents water loss?
26. [1]

WASSCE 2022 · Paper 1

The fraction of petroleum distillation used as fuel for heavy duty engine is
27. [1]

WASSCE 2022 · Paper 1

Members of the same species living in the same place at the same time make up the
28. [1]

WASSCE 2022 · Paper 1

Thinning out means
29. [1]

WASSCE 2022 · Paper 1

Terracing checks soil erosion by
30. [1]

WASSCE 2022 · Paper 1

The vacuum flask minimizes heat loss by I. having a vacuum between the two surfaces. II. polishing the two surfaces. III. using a cork stopper. Which of the statements above are correct?
31. [1]

WASSCE 2022 · Paper 1

The radioactive radiation with the least penetration power is
32. [1]

WASSCE 2022 · Paper 1

Lime juice tastes sour because it contains
33. [1]

WASSCE 2022 · Paper 1

Good quality seeds should be
34. [1]

WASSCE 2022 · Paper 1

Which of the following statements about small scale industry is correct? It
35. [1]

WASSCE 2022 · Paper 1

The most important climate factor affecting crop production in West Africa is
36. [1]

WASSCE 2022 · Paper 1

Fertilization in flowering plants is known as double because
37. [1]

WASSCE 2022 · Paper 1

Which of the following scientists is associated with the study of inheritance?
38. [1]

WASSCE 2022 · Paper 1

During thunderstorm, lightning is seen before the sound is heard although both occur at the same time. This is because
39. [1]

WASSCE 2022 · Paper 1

In the periodic table, all the elements within the same group have the same
40. [1]

WASSCE 2022 · Paper 1

The term used to describe all chemical reactions occurring inside an organism is
41. [1]

WASSCE 2022 · Paper 1

The gas produced when dilute hydrochloric acid reacts with trioxocarbonate (IV) salt is
42. [1]

WASSCE 2022 · Paper 1

The following substance are air pollutants except
43. [1]

WASSCE 2022 · Paper 1

A disadvantage of practicing mixed cropping is the
44. [1]

WASSCE 2022 · Paper 1

DNA testing is used to determine
45. [1]

WASSCE 2022 · Paper 1

One of the advantages of the free range system of poultry is that
46. [1]

WASSCE 2022 · Paper 1

The largest excretory organ of the human body is the
47. [1]

WASSCE 2022 · Paper 1

A flower with both stamens and carpels is said to be
48. [1]

WASSCE 2022 · Paper 1

The material used for propagating cassava is the
49. [1]

WASSCE 2022 · Paper 1

An example of a corm is
50. [1]

WASSCE 2022 · Paper 1

An electric appliance is rated 60 W. This means the appliance

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