All practice questions

During insect development, the transition between developmental stages is regulated by the interaction of ecdysone (moulting hormone) and juvenile hormone. A high concentration of juvenile hormone paired with ecdysone promotes larval-to-larval moulting. Which of the following developmental outcomes occurs when the secretion of juvenile hormone declines significantly while ecdysone remains active?

Match each pre-colonial Nigerian women's title or socio-political group with its corresponding institutional role and cultural context.

A shoe manufacturing firm operates in the short run. When producing $10$ pairs of shoes, its Average Fixed Cost ($\text{AFC}$) is $\text{₦}800$ per pair and its Total Variable Cost ($\text{TVC}$) is $\text{₦}15,000$. If increasing output to $11$ pairs raises the firm's Total Cost ($\text{TC}$) to $\text{₦}25,500$, what is the Marginal Cost ($\text{MC}$) of the $11\text{th}$ pair of shoes?

In a country composed of diverse ethnic, linguistic, and cultural groups, which system of government is most suitable to preserve national unity while guaranteeing local autonomy for its component units?

Match each judicial mechanism or constitutional power on the left with its corresponding legal definition and application within the Nigerian judicial system on the right.

During the implementation of several National Development Plans in Nigeria, economic planners consistently encountered major discrepancies between projected targets and actual outcomes. Which of the following constitutes the primary statistical obstacle to effective economic planning in Nigeria?

Match each economic factor or market event on the left with its corresponding impact on the demand curve for the target commodity on the right.

In pre-colonial Igbo political administration, political authority and dispute resolution followed a decentralized hierarchy of governance. Arrange the following traditional institutions and roles in order from the initial/lowest level of dispute resolution to the highest level of executive and spiritual enforcement.

While the Richards Constitution of 1946 introduced regionalism by dividing Nigeria into Northern, Western, and Eastern regions, contemporary nationalist leaders argued that it failed to establish a genuine federal structure. Which constitutional arrangement best demonstrates that Nigeria remained structurally a unitary state under the 1946 Constitution?

An election in a parliamentary constituency was marred by widespread ballot box snatching and voter intimidation. Arrange the following steps in the correct chronological sequence for resolving this electoral malpractice through the official post-election legal redress framework in Nigeria.

A commercial banking system operates under a cash reserve ratio of $10\%$. If a new cash injection into the system leads to a total net credit creation (new loans issued) of $₦450,000$, what was the value of the initial cash deposit, assuming commercial banks maintain no excess reserves and there are no cash leakages?

Match each feature of French colonial administration in West Africa with its correct definition or description.

In the pre-colonial Hausa-Fulani political system, which key title holder was responsible for commanding the army and maintaining military defense?

In Nigeria, a statutory law that temporarily restricts public assembly and freedom of movement during a national health emergency is constitutionally valid primarily because fundamental rights are:

Match the democratic concepts and governance forms in Column A with their defining operational characteristics in Column B.

Match each specialized digestive organ or structure found in animals with its primary physiological function in nutrition.

In analyzing the political structure of pre-colonial Nigerian societies, how did the mechanism of political authority and law enforcement fundamentally differ between centralized systems (such as the Oyo Empire) and segmentary systems (such as the pre-colonial Igbo)?

Match each class of the civil service listed on the left with its primary function and responsibility on the right.

A woman with normal vision whose father was color-blind marries a man with normal vision. What is the probability that any male child born to this couple will be color-blind?

In a federal constitutional arrangement, proponents of retaining a bicameral structure often resist proposals to adopt unicameralism on economic grounds. Which of the following constitutional imperatives is most directly compromised if a federal state abolishes its upper legislative chamber in favor of a single-chamber legislature?