All practice questions

A firm's annual accounting records show that total revenue generated is fully exhausted by contractual payments made for building rent, factory worker wages, and loan interest. Which statement accurately analyzes the economic reward accrued by the entrepreneur under these conditions?

An economic researcher in Port Harcourt observes that an upward adjustment in cold-room electricity tariffs increases the operational preservation cost per unit of fish, causing individual fish vendors to raise their retail prices to maintain profit margins. The researcher subsequently submits a report asserting that the Rivers State Government ought to provide targeted electricity subsidies to agricultural preservation vendors to safeguard household nutrition. Which of the following statements correctly categorizes the methodological nature and economic scope of the researcher's observation and assertion?

Match each balance of payments adjustment measure to its correct policy category or description.

Match each main function/objective of public finance on the left with its corresponding primary purpose on the right.

A sample survey of 20 small-scale enterprises in an industrial cluster recorded their daily profit (in thousands of Naira, $\text{₦'000}$) with the following frequency distribution:

What is the mean daily profit of these enterprises in thousands of Naira?

In Nigeria's wood processing industry, an increase in the demand for sawn timber causes a rightward shift in the supply curve of sawdust because timber and sawdust exist in a competitive supply relationship.

In contrast to private finance, where an individual or firm typically adjusts expenditure to fit a given income, public finance is characterized by the government first estimating its necessary expenditure to achieve societal and economic objectives, and subsequently determining how to raise the required revenue.

In an economy, National Income is $500\text{ billion}$, corporate profit tax is $40\text{ billion}$, undistributed corporate profits are $30\text{ billion}$, social security contributions are $20\text{ billion}$, transfer payments are $50\text{ billion}$, and personal direct taxes are $35\text{ billion}$. What is the Disposable Personal Income of this economy?

An equal proportionate increase in a consumer's nominal income and the prices of both goods consumed will cause the budget line to shift outward parallel to its original position.

In the study of political culture, affective orientation refers specifically to a citizen's factual knowledge, awareness, and beliefs regarding political structures and government processes.

A monopolist faces a market demand curve given by $P = 100 - 4Q$, where $P$ is price in Naira and $Q$ is output quantity. The firm operates with a constant marginal cost $MC = \text{N}20$ and total fixed costs of $\text{N}100$. What are the profit-maximizing total revenue and economic profit for this firm in the short run?

The table below details the international economic transactions recorded for a country in a financial year:

Based on the data provided, what is the country's Current Account balance for the year?

Floating hydrophytes, such as Water Hyacinth (*Eichhornia crassipes*), thrive in aquatic environments where support from water and efficient gaseous exchange are essential. Which of the following morphological adaptations enables these plants to maintain buoyancy and exchange gases in stagnant water?

In a Nigerian urban market, a fall in the price of Liquefied Petroleum Gas (LPG) leads to a decline in household purchases of Kerosene stoves, even though the price of Kerosene stoves remains unchanged at $\text{N}25,000$. Two months later, manufacturers reduce the retail price of Kerosene stoves to $\text{N}20,000$, causing the quantity of Kerosene stoves purchased by consumers to increase. Which of the following statements correctly distinguishes the economic changes occurring in the market for Kerosene stoves during these two events?

Which of the following sequences correctly represents the evolutionary progression of excretory structures in animals from lower invertebrates to higher vertebrates?

Match each neural or sensory organ structure listed on the left with its corresponding physiological function on the right.

The demand and supply functions for a commodity are given as $Q_d = 50 - 4P$ and $Q_s = 10 + 6P$, where $P$ represents the price in Naira, $Q_d$ is the quantity demanded, and $Q_s$ is the quantity supplied. What is the equilibrium price of the commodity?

Match each theory or concept of international trade on the left with its corresponding principle or theoretical foundation on the right.

The presence of closely related species of flightless birds, such as the ostrich in Africa, the rhea in South America, and the emu in Australia, across widely separated landmasses is best explained by which of the following?

Merchant banks in Nigeria operate primarily as wholesale financial institutions providing medium- to long-term corporate credit and investment banking services, but unlike commercial banks, they are legally restricted from accepting retail demand deposits or participating directly in the retail clearing house system.