WASSCE past question

Integrated Science 2023

Integrated Science Paper 1

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1. [1]

WASSCE 2023 · Paper 1

Which of the following symptoms is an indication of fungal infection in vegetable nursery?
2. [1]

WASSCE 2023 · Paper 1

Which of the following statements about an atoms is correct?
3. [1]

WASSCE 2023 · Paper 1

A machine is rated 5.30 W. In how many seconds will it do 212.0 J of work?
4. [1]

WASSCE 2023 · Paper 1

Carbon (IV) oxide is used to extinguish fires because it
5. [1]

WASSCE 2023 · Paper 1

A deep litter house measuring 45.0 m by 2.2 m is stocked at the rate of one bird per 0.25 m2. Determine the number of birds stocked.
6. [1]

WASSCE 2023 · Paper 1

An athlete weighs 750 N. Determine the athlete's mass. [g = 10 m s-2]
7. [1]

WASSCE 2023 · Paper 1

A child has a fever, runny nose, red sore eyes and a rash inside the mouth. Which of the following diseases is the child likely to be suffering from?
8. [1]

WASSCE 2023 · Paper 1

An example of a leafy vegetable is
9. [1]

WASSCE 2023 · Paper 1

It is compulsory to wear goggles when handling substances that
10. [1]

WASSCE 2023 · Paper 1

Excess amino acids in the body undergo the process of
11. [1]

WASSCE 2023 · Paper 1

An electric heater rated 60 W is connected to 240 V mains. Determine the current in its filament.
12. [1]

WASSCE 2023 · Paper 1

Which of the following statements about sea breeze is/are correct? It I. occurs during the night. II. occurs during the day. III. blows towards the sea.
13. [1]

WASSCE 2023 · Paper 1

Nutrient required in large quantities by leafy vegetables is
14. [1]

WASSCE 2023 · Paper 1

The most effective way of controlling lice on fowls is by
15. [1]

WASSCE 2023 · Paper 1

In the vacuum flask, the vacuum between the polished walls minimizes heat transfer by I. conduction. II. radiation. III. convection. Which of the statements above are correct?
16. [1]

WASSCE 2023 · Paper 1

Which of the following blood groups in humans does not contain antigen?
17. [1]

WASSCE 2023 · Paper 1

Which of the following diseases is caused by vitamin deficiency?
18. [1]

WASSCE 2023 · Paper 1

The normal period for a human pregnancy is
19. [1]

WASSCE 2023 · Paper 1

Which of the following pairs of crops is grown for their roots?
20. [1]

WASSCE 2023 · Paper 1

The presence of methane and carbon (IV) oxide in the air is the main cause of
21. [1]

WASSCE 2023 · Paper 1

Sickle-cell anaemia is an example of
22. [1]

WASSCE 2023 · Paper 1

Which of the following statements are correct about semiconductors? They I. are used to make transistors. II. do not obey Ohm's law. III. are group (IV) elements.
23. [1]

WASSCE 2023 · Paper 1

An example of a simple machine is
24. [1]

WASSCE 2023 · Paper 1

During digestion, rennin in the stomach
25. [1]

WASSCE 2023 · Paper 1

It is more advantageous to use solar energy than fossil fuel energy because
26. [1]

WASSCE 2023 · Paper 1

The protoplasm of a cell is made up of
27. [1]

WASSCE 2023 · Paper 1

Which of the following deductions cannot be made from the symbol \(^{12}_{6}\mathrm{C}\)?
28. [1]

WASSCE 2023 · Paper 1

The size of the pupil of the eye is controlled by the
29. [1]

WASSCE 2023 · Paper 1

Which of the following conditions could cause aflatoxin in groundnuts?
30. [1]

WASSCE 2023 · Paper 1

Crop residue left on farms to conserve soil moisture are referred to as
31. [1]

WASSCE 2023 · Paper 1

A body is more stable when its centre of gravity is
32. [1]

WASSCE 2023 · Paper 1

Ash from burnt plants is widely used in Ghana
33. [1]

WASSCE 2023 · Paper 1

The principle of flotation states that
34. [1]

WASSCE 2023 · Paper 1

Which of the following materials is magnetic?
35. [1]

WASSCE 2023 · Paper 1

Biogas is produced from
36. [1]

WASSCE 2023 · Paper 1

The practice whereby shade is gradually removed from seedlings before transplanting is referred to as
37. [1]

WASSCE 2023 · Paper 1

The substance formed when carbon (IV) oxide s bubbled through lime water for a long time is
38. [1]

WASSCE 2023 · Paper 1

One advantage of weaning lambs early is that the
39. [1]

WASSCE 2023 · Paper 1

The manufacture of plastics involves the scientific process known as
40. [1]

WASSCE 2023 · Paper 1

A solution contains 5.3 g of sodium trioxocarbonate (IV) per \(dm^{3}\). Determine its molarity. [Na2CO3 = 106]
41. [1]

WASSCE 2023 · Paper 1

The energy output of a system is 40 J and the efficiency is 60%. Determine the energy input of the system.
42. [1]

WASSCE 2023 · Paper 1

Which of the following factors contribute to tidal waves experienced on the sea? The I. gravitational force of the sun and moon on the sea II. centripetal force created by the rotation of the earth around its axis III. occurrence of cyclones
43. [1]

WASSCE 2023 · Paper 1

Myopia s an eye defect that makes a sufferer to
44. [1]

WASSCE 2023 · Paper 1

A quantity of NaCl was dissolved in 100 cm3 of solution to obtain 0.50 moldm-3 NaCl solution. Determine the mass of NaCl used. [NaCl = 58.5]
45. [1]

WASSCE 2023 · Paper 1

The weather on earth is determined by changes in temperature, pressure and winds that take place in the
46. [1]

WASSCE 2023 · Paper 1

A farmer planted 2400 cuttings of cassava of which 85% survived grasscutter invasion. Determine the number of cassava plants that was destroyed.
47. [1]

WASSCE 2023 · Paper 1

Which of the following statements about wind are correct? I. It is an air mass II. It moves from an area of high pressure to an area of low pressure III. It moves from an area of low pressure to an area of high pressure
48. [1]

WASSCE 2023 · Paper 1

Given that the Avogadro's constant is \(6.02 \times 10^{23}\), determine the number of atoms in 0.001 mol of aluminium metal.
49. [1]

WASSCE 2023 · Paper 1

Which of the following combinations of elements do all carbohydrates contain?
50. [1]

WASSCE 2023 · Paper 1

Setts are planting materials used for the cultivation of

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