WAEC Past Questions and Answers 2023 – The West African Examinations Council (WAEC) is an examination board that has been established for determining and conducting essential exams for the public welfare in English-speaking West African nations. It was founded in 1952 and contributed to the education systems of Anglophone West African countries like Ghana, Nigeria, Sierra Leone, Liberia, and the Gambia.
WAEC Subjects
| S/N | Subject Name |
| 1 | COMMERCE |
| 2 | FINANCIAL ACCOUNTING |
| 3 | CHRISTIAN RELIGIOUS STUDIES |
| 4 | ECONOMICS |
| 5 | GEOGRAPHY |
| 6 | GOVERNMENT |
| 7 | HISTORY |
| 8 | ISLAMIC STUDIES |
| 9 | LITERATURE IN ENGLISH |
| 10 | CIVIC EDUCATION |
| 11 | ARABIC |
| 12 | ENGLISH LANGUAGE |
| 13 | FRENCH |
| 14 | HAUSA |
| 15 | IGBO |
| 16 | YORUBA |
| 17 | FURTHER MATHEMATICS |
| 18 | GENERAL MATHEMATICS |
| 19 | AGRICULTURAL SCIENCE |
| 20 | BIOLOGY |
| 21 | CHEMISTRY |
| 22 | HEALTH EDUCATION/HEALTH SCIENCE |
| 23 | PHYSICAL EDUCATION |
| 24 | PHYSICS |
| 25 | AUTO MECHANICS |
| 26 | BUILDING CONSTRUCTION |
| 27 | METAL WORK |
| 28 | TECHNICAL DRAWING |
| 29 | WOODWORK |
| 30 | BASIC ELECTRICITY |
| 31 | BASIC ELECTRONICS |
| 32 | CLOTHING AND TEXTILES |
| 33 | FOODS AND NUTRITION |
| 34 | HOME MANAGEMENT |
| 35 | MUSIC |
| 36 | VISUAL ART |
WAEC Past Questions and Answers 2023
Here is below the WAEC Past Questions and Answers 2023 for a few subjects.
Commerce
1. List and explain four activities of those engaged in commercial occupation.
ANS: (i) Banking: Those working as bankers provide facilities for saving, borrowing, investing, and payments for business transactions.
(ii) Advertising: Advertising practitioners inform potential buyers and sellers about the existence, nature, use, and price of goods and services through various advertising media.
(iii) Insurance: Insurers provide cover for business risks and compensation in case of loss etc.
2. Explain five benefits that would be derived and five losses that would be suffered when a Sole trader admits other partners.
ANS: (a) Benefits to a Sole Trader
(i) Better decision making
(ii) Possibility of more profit
(iii) a greater degree of continuity etc.
(b) Losses to Sole Trader
(i) The death of a general partner may collapse the business
(ii) Disagreement among members can affect the smooth running of the business
(iii) Actions of a partner are binding on the firm. Therefore misconduct of an unscrupulous partner may ruin the business.
3. List and explain four documents involved in the formation of a Public Limited Company.
ANS: (a) Declaration:
(i) This is a statement in writing to the registrar of Companies by the promoter.
(ii) It is states that the requirement of the companies have been compiled with
(iii) It is a declaration that adequate capital has been raised etc.
(b) Trading Certificate:
(I) This is document issued by the Registrar of companies
(II) It gives the public company the right to commence the business for which it was formed, etc.
4 (a) Explain the following:
(i) counter trade;
(ii) entreport trade;
(iii) import trade;
(iv) invisible trade.
(b) State four burners to International trade.
ANS: (i) Counter Trade: This is a system of International trade where countries instead of paying cash for the goods they purchase from other Countries will pay.
(ii) Entreport Trade: This is a system of trade where goods imported into a country are re-exported while the goods are still in the same form as they were received.
(iii) Import Trade: This is a system of trade where goods are brought into a country from another country.
(iv) Invisible Trade: This is a type of International trade involving intangible products such as services or Banking, shipping services colu require payment of money.
Biology
A cell is a functional unit of living organisms due to
A. Multicellular organisms are made up of cells
B. All cells in a multicellular organism function as a single-cell
C. The function of a multicellular organism is the sum total of the functions of its constituent cells
D. The function of a single cell is superior to that of the multicellular organism
E. the cells of a multicellular organism are similar in structure
ANSWER: A ( multicellular organisms are made up of cells )
2. The organelle that eliminates water from the body of protozoa is
A. Plasma membrane
B. Contractile vacuole
C. Cell wall
D. Protoplasm
E. Nucleus
ANSWER: B ( contractile vacuole )
3. Spirogyra is known to be a multicellular plant due to ____
A. Its cells are linked together by cytoplasmic strands
B. Its cells are joined to form organs
C. The cylindrical cells are linked end to end
D. The filaments consist of one cell only
E. It is an alga containing large vacuoles
ANSWER: A ( its cells are linked together by cytoplasmic strands )
4. The mechanism of gaseous exchange in living organisms is controlled by ____
A. Osmosis
B. Inhalation
C. Diffusion
D. Exhalation
E. Breathing
ANSWER: C (diffusion)
5. Which of the following statement is true about diffusion?
A. it involves the movement of water molecules only
B. Molecules move from a region of higher concentration to a region of lower concentration
C. differentially permeable membrane must be present for diffusion to occur
D. It involves when a solute can no longer dissolve in a solvent of only solute molecules into the Bowman’s capsule
E. It occurs when a solute can no longer dissolve in a solvent
ANSWER: E (It occurs when a solute can no longer dissolve in a solvent)
Chemistry
1. What condition favours the formation of the product for the endothermic reaction, N2O4(g) —><—– 2NO2(g)
A. Decrease in pressure
B. A decrease in volume
C. An increase in pressure
D. A constant volume
ANSWER: A ( Decrease in pressure)
2. How many alkoxy alkanes can be obtained from the molecular formula C4 H4O4
A. 1
B. 2
C. 3
D. 4
ANSWER: C (3)
3. Element Y has two isotopes Y and Y present in the ratio 1:3. The relative atomic mass of Y would be
A. 20.5
B. 21
C. 21.5
D. 22
ANSWER: C (21.5)
4. 100.0g of KClO3 was added to 40.0 cm^3 of water to give a saturated solution at 298K. If the solubility of the salt is 20.0 moldm^-3 at 298K, what percentage of the salt is left undissolved? {K= 39, Cl = 35.5, O = 16}
A. 80%
B. 60%
C. 5%
D. 2%
5. Elements X and Y have electronic configuration 1S22S22P4 and 1S22S22P63S23P1 respectively. When they combine the formula of the compound formed is
A. XY
B. Y2X3
C. Y2 X3
D. Y X2
ANSWER: B (Y2X3)
6. A solution of 0.20 mole of NaBr and 0.20 mole of MgBr2 in 2.0 dm3 of water is to be analysed. How many moles of Pb(NO3 )2 must be added to precipitate all the bromide as insoluble PbBr2
A. 0.30 mol
B. 0.10 mol
C. 0.20 mol
D. 0.40 mol
ANSWER: A (0.30 mol)
7. Na2CO3 + HCl —-> NaHCO3 + NaCl. The indicator most suitable for this reaction should have pH equal to.
A. 3
B. 5
C. 7
D. 9
ANSWER: D (9)
8. A satuarted solution of silver trioxocarbonate (IV), was found to have concentration of 1.30 x 10-5 moldm-3 . The solubility product of the trioxocarbonate (IV) is
A. 8.79 x 10-15
B. 1.69 x 10-10
C. 1.82 x 10-11
D. 9.84 x 10-10
ANSWER: A (8.79 x 10-15)
9. When platinum electodes are used during the electrolysis of copper (II) tetraoxosulphate (IV) solution, the solution gets progressive
A. Acidic
B. Basic
C. Neutral
D. Atmospheric
ANSWER: A (Acidic)
10. Tetraoxosulphate (VI) ions are final test using
A. Acidified silver nitrate
B. Acidic barium chloride
C. Lime water
D. Dilute hydrochloric acid
ANSWER: D (Dilute hydrochloric acid)