All practice questions

A thermal power station regularly discharges high-temperature water effluent directly into a nearby freshwater stream. Which of the following effects will this thermal pollution primarily have on the aquatic organisms in the stream?

The table below shows national income components for a hypothetical economy in a given financial year:

Using the income method of national income accounting, what is the Gross National Product (GNP) at factor cost?

An economy with a marginal propensity to consume ($MPC$) of $0.75$ experiences a recessionary output gap of $\$120\text{ billion}$. To achieve economic stabilization and eliminate this gap while keeping the government budget strictly balanced, which combination of fiscal policy measures must the government implement?

An economy records $500 million in merchandise exports,$ 650 million in merchandise imports, $120 million in net invisible receipts, and receives$ 200 million in foreign direct investment. What is the country's Current Account balance?

Match each sensory or nervous system structure listed on the left with its correct physiological function on the right.

Match each Terms of Trade concept on the left with its correct mathematical formula and interpretation on the right.

An insect species possesses body shape and coloration that closely resemble a dry, brown leaf hanging on a twig, allowing it to blend seamlessly into its forest surroundings to avoid detection by predators. Which type of structural adaptation for survival does this organism demonstrate?

In a rural agrarian community, land is allocated to families based on ancestral lineage, and agricultural techniques are strictly inherited from preceding generations without reliance on price signals or government directives. Which of the following fundamental features of a traditional economic system is demonstrated in this scenario?

The table below presents a consumer's indifference schedule showing various combinations of Good $X$ and Good $Y$ that yield the same level of satisfaction:

What is the Marginal Rate of Substitution of Good $X$ for Good $Y$ ($MRS_{xy}$) as the consumer transitions from combination II to combination III, and which property of indifference curves is confirmed by the overall progression across all combinations?

In a parliamentary system of government operating under the Westminster model, a successful motion of vote of no confidence passed by the legislature against the executive primarily results in which of the following constitutional outcomes?

In resource economics, crude oil extraction in Nigeria is characterized by strong backward linkages because upstream operators purchase the majority of their heavy machinery and capital inputs from domestic manufacturers, but weak fiscal linkages because the industry generates negligible tax and royalty revenue for the public sector. Is this statement true or false?

Match each water treatment chemical agent or industrial pollutant on the left with its corresponding chemical function or environmental impact on the right.

In a socialist economic system, the means of production, distribution, and exchange are primarily owned and controlled by which of the following?

The demand and supply functions for a commodity in a competitive market are given as $Q_d = 180 - 8P$ and $Q_s = -20 + 12P$, where $P$ is the price in Naira (₦), $Q_d$ is the quantity demanded, and $Q_s$ is the quantity supplied. If the government imposes a maximum price ceiling of ₦8, what is the resulting market condition?

When carbon(IV) oxide gas is continuously bubbled through an aqueous suspension of calcium trioxocarbonate(IV), $\text{CaCO}_3$, the white suspension gradually turns into a clear solution. What is the chemical formula of the soluble compound formed?

An economy recorded the following macroeconomic expenditure components during a fiscal year: Personal Consumption Expenditure ($C$) of $\$650$ million, Gross Private Domestic Investment ($I$) of $\$220$ million, Government Purchase of Goods and Services ($G$) of $\$310$ million, Exports ($X$) of $\$140$ million, and Imports ($M$) of $\$160$ million. Additionally, Net Factor Income from Abroad ($NFIA$) was $\$25$ million. Calculate the Gross National Product at market price ($GNP_{mp}$) of this economy in millions of dollars.

In an economy heavily reliant on crude oil exports, a sustained surge in global oil prices leads to massive foreign exchange inflows, a sharp appreciation of the real exchange rate, and a subsequent contraction in non-resource tradable sectors such as agriculture and manufacturing. Which economic phenomenon best describes this structural distortion?

A timber logging enterprise in Ondo State extracts raw wood logs from a forest and sells them to a furniture manufacturing factory in Ibadan, which processes the wood into executive office desks for commercial banks. In economic terms, which stage of production does the activity of the Ibadan furniture factory represent?

A military officer seizes control of a national broadcasting station during an unconstitutional uprising and forces citizens to comply with emergency orders under threat of physical sanction. Which form of political concept is directly demonstrated by the officer's control?

Match each environmental management strategy listed on the left with its primary conservation objective or benefit on the right.