All practice questions

Complete the statement regarding the choice of indicator and the expected endpoint color change when titrating aqueous ammonia with hydrochloric acid.

Which of the following reagents reacts with propanal to produce a silver mirror, but shows no reaction with propanone?

A biology student recorded four different representations for the scientific name of the housefly in a laboratory notebook. Which of the following options strictly adheres to the standard rules of Linnaean binomial nomenclature?

Arrange the following major stages of cement manufacturing in the correct chronological sequence, from initial raw material handling to the final product stage.

Match each vertebrate group in Column I with its characteristic heart structure and circulatory pattern in Column II.

In the industrial extraction of sodium metal using the Downs cell, calcium chloride ($\text{CaCl}_2$) is added to molten sodium chloride ($\text{NaCl}$) primarily to:

Consider the organic compound 3-methylbut-1-yne, which has the condensed structural formula $HC\equiv C-CH(CH_3)_2$. How many carbon atoms in a single molecule of this compound are $sp^3$ hybridized?

The table below shows the distribution of three distinct index fossils ($X$, $Y$, and $Z$) found within four undisturbed sedimentary rock strata (Layer 1 being the lowermost and oldest, and Layer 4 being the uppermost and youngest):

Based on the law of superposition and paleontology principles, which of the following deductions regarding the evolutionary timeline of these organisms is correct?

The flipper of a whale and the wing of a bat possess a similar internal arrangement of bones derived from a common ancestral pentadactyl structure, despite being adapted for different functional roles. Which of the following terms best describes these anatomical features?

Match each homologous series of organic compounds listed on the left with its correct general molecular formula on the right.

At the end of the financial year, a trader's inventory has a cost price of $\text{N}45,000$ and a net realizable value of $\text{N}40,000$. In accordance with the prudence concept, at what value should the closing stock be recorded in the final accounts?

Which of the following accounting entries is correct when a business purchases office equipment on credit from Ade & Co.?

Chidi, an auto mechanics workshop owner, maintains incomplete accounting records. The details of his assets and liabilities at the beginning and end of the year 2025 are presented in the table below:

Additional information for the year ended 31 December 2025:
1. Equipment is to be depreciated at $10\%$ per annum on cost.
2. A provision for doubtful debts of $5\%$ is to be created on trade debtors at year-end.
3. Chidi introduced additional capital of ₦40,000 into the business during the year.
4. He withdrew ₦3,000 cash monthly for personal use and took workshop spare parts valued at ₦14,000 for private use.

What is Chidi's net profit or loss for the year ended 31 December 2025?

In the balance sheet of a sole trader, under which section should accrued expenses at the end of the accounting period be classified?

Match each contour line pattern on a topographical map with the corresponding relief feature it represents.

Kofi & Sons Enterprises operates two departments, Department P and Department Q. At the end of the trading period, total Rent and Rates incurred amounted to $\text{₦}200,000$. The records provide the following information:

- Floor area occupied: Department P = $1,200\text{ m}^2$; Department Q = $800\text{ m}^2$
- Sales turnover: Department P = $\text{₦}300,000$; Department Q = $\text{₦}700,000$

What is the correct amount of Rent and Rates to be apportioned to Department P?

At 31st December 2025, a sole trader's trial balance showed Trade Debtors of ₦50,000. Additional bad debts of ₦2,000 are to be written off, and a provision for doubtful debts is to be created at 5% on the remaining trade debtors. What is the net trade debtors figure to be presented in the Statement of Financial Position?

On a topographical map drawn to a Representative Fraction (RF) scale of $1 : 80,000$, the measured distance along a proposed drainage canal between two agricultural communities is $17.5\text{ cm}$. What is the actual ground distance of the canal in kilometers?

A sole trader's trial balance extracts show Motor Vehicles at a cost of $\text{₦}800,000$. If depreciation is to be charged at $15\%$ per annum on cost, what is the depreciation expense to be debited to the Profit and Loss Account for the year?

Match each goodwill transaction or valuation method in partnership accounts with its corresponding accounting treatment or valuation rule.